OT-2026-000086252
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000086252) never changes.
Identity and time
| Publication number | OT-2026-000086252 · never reused |
|---|---|
| Internal UUID | 01a0ae99-e82c-793e-abe4-1f9b4040f2f6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:01:57.178584Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000086252 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72bdc8c23a1b60e6968a2e3ebcd3adef2ee9ea5646454fd390ec55bb85eec657 |
|---|---|
| Markdown | 9542e3b038e883fcabc3273d8a019b0cf480a668644b0f45b343b0efdd916dfb |
| Publication page | 39028f836c1d28d7a9f61cced70e73ba9ccc2b7b36e9d02f4a9513cdb6763423 |
| Manifest | 1bcef03eb91bedb111c4d893969c4d214852435517c66ceb810fd21b5d321117 |
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 | VJLfMOlzULXHja4PR4MAWmWUT+wCzpv5129kOXeqtSZlayhsZjSQvrMP08SatVQY1MQ9vKtj1iKcOHM6Yn0IDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-10-28T12:41:17.134260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086252observed 39028f836c1d28d7a9f61cced70e73ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T12:41:17.020532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086252/manifest.jsonobserved 1bcef03eb91bedb111c4d893969c4d21...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:16.962897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086252/publication.mdobserved 9542e3b038e883fcabc3273d8a019b0c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:16.900852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086252/publication.txtobserved 72bdc8c23a1b60e6968a2e3ebcd3adef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:47.281632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086252observed 39028f836c1d28d7a9f61cced70e73ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:47.203843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086252/manifest.jsonobserved 1bcef03eb91bedb111c4d893969c4d21...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:47.139800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086252/publication.mdobserved 9542e3b038e883fcabc3273d8a019b0c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:47.055771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000086252/publication.txtobserved 72bdc8c23a1b60e6968a2e3ebcd3adef...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 |
|---|