OT-2026-000057476
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down
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-2026-000057476) never changes.
Identity and time
| Publication number | OT-2026-000057476 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2692-7a43-babf-2996d83d59fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057476 |
| Status | PUBLIC |
Content hashes
| Canonical text | da4430d582d5d6dffcc800c36bb67a7cede8d89aa5e9d5d70d41f700eacca52d |
|---|---|
| Markdown | 9e8b3aff6492ddfe466a8a01a66a5b7aebebd09037258e44dc1fc5c774e845ff |
| Publication page | abddfb26821650de4e1c99b708741623fad5510e623e5d99f2088e1ebce11300 |
| Manifest | 8b47f47c783f9d40fecbc24d2579b74210caea1136103237755656c259fcbacb |
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 | q60V0jz37+uU18gwmtQ5NTKkxnk0vbEiFfRZwu98EkR2RLKlfaALzBuiF/CU4BAaUsxaT0KI5cTxwhnYUhrzCA== |
| 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... |
|---|
Independent retrieval
| 2026-11-04T00:41:09.172429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057476observed abddfb26821650de4e1c99b708741623...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T00:41:09.123416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057476/manifest.jsonobserved 8b47f47c783f9d40fecbc24d2579b742...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:09.060767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057476/publication.mdobserved 9e8b3aff6492ddfe466a8a01a66a5b7a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:08.829702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057476/publication.txtobserved da4430d582d5d6dffcc800c36bb67a7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:34.595671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057476observed abddfb26821650de4e1c99b708741623...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:34.524860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057476/manifest.jsonobserved 8b47f47c783f9d40fecbc24d2579b742...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:34.462485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057476/publication.mdobserved 9e8b3aff6492ddfe466a8a01a66a5b7a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:34.376587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057476/publication.txtobserved da4430d582d5d6dffcc800c36bb67a7c...fetched by grabo-systems from 34.44.131.203, 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 |
|---|