OT-2026-000054245
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054245) never changes.
Identity and time
| Publication number | OT-2026-000054245 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-7b15-bf75-6bcf815bcdf2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054245 |
| Status | PUBLIC |
Content hashes
| Canonical text | 498b3fae7928d73ae4770f42ed69d5665e91af4cfe4d8b9727df8da72e24f11e |
|---|---|
| Markdown | ea5b5181ece7d894a32e77e0277ae3788c836627d6c23ad6e273c757a3688781 |
| Publication page | 9bb73a6b7a82d27bf8e97898b99d67caec887077c70d631e1a2b4d90e261dce4 |
| Manifest | b0542cc21f5fdd83618619207868d2177de5779158afd26296a565ea1e4b7d8f |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | FHzs9Hi6rQt9700qMCmNzuK0oJWnksnqb7lzO6lCNsDl/pVNsRvwOVkolAgtlkluexWDiRXe3oUjIrnrXKYGAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-26T16:41:52.870533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054245observed 9bb73a6b7a82d27bf8e97898b99d67ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T16:41:52.817534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054245/manifest.jsonobserved b0542cc21f5fdd83618619207868d217...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:52.767999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054245/publication.mdobserved ea5b5181ece7d894a32e77e0277ae378...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:52.712007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054245/publication.txtobserved 498b3fae7928d73ae4770f42ed69d566...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:43.903731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054245observed 9bb73a6b7a82d27bf8e97898b99d67ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:43.885672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054245/manifest.jsonobserved b0542cc21f5fdd83618619207868d217...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:43.865171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054245/publication.mdobserved ea5b5181ece7d894a32e77e0277ae378...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:43.846501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054245/publication.txtobserved 498b3fae7928d73ae4770f42ed69d566...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|