OT-2026-000053178
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000053178) never changes.
Identity and time
| Publication number | OT-2026-000053178 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a432-7657-9a8c-e7caa31234ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053178 |
| Status | PUBLIC |
Content hashes
| Canonical text | 194f7941870a0f6cb04c03c7229f3a697083792b92dc91a1dd32751258df9378 |
|---|---|
| Markdown | a2227b094296f99855fd009d8acd1c86cc6a127d6ade269ea79f772bdb98fc3c |
| Publication page | 39532163ad677fa9cf25f5f57c4e6fb0d3334c49317091efb489762b74a0d863 |
| Manifest | 7bd3fbf07d4e0246bcd279ade82f546784598fb249cbbb3d9fa95589bb4b8ad2 |
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 | NRiorsvD0ZuQc5+tjMAWE5vNhxi0Ah2aqGjMeXWJvaZrZe1U+FZ7jR1HdKvc3/czZFE+1ylS7MkyhOzp1yi2Dw== |
| 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
| 2026-09-25T16:41:36.062092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053178observed 39532163ad677fa9cf25f5f57c4e6fb0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T16:41:35.983125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053178/manifest.jsonobserved 7bd3fbf07d4e0246bcd279ade82f5467...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:35.901077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053178/publication.mdobserved a2227b094296f99855fd009d8acd1c86...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:35.827826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053178/publication.txtobserved 194f7941870a0f6cb04c03c7229f3a69...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:29.921406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053178observed 39532163ad677fa9cf25f5f57c4e6fb0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:29.846846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053178/manifest.jsonobserved 7bd3fbf07d4e0246bcd279ade82f5467...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:29.794064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053178/publication.mdobserved a2227b094296f99855fd009d8acd1c86...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:29.741560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053178/publication.txtobserved 194f7941870a0f6cb04c03c7229f3a69...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 |
|---|