OT-2026-000075301
Publication integrity record
Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000075301) never changes.
Identity and time
| Publication number | OT-2026-000075301 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f200-7924-94d9-61f8f10b800c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075301 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2c45e302c4c115ea2524a7250116d62bf202fb4ce5dab57bb1f37ab929bbc1a |
|---|---|
| Markdown | 01dc46492eb4f954deba31e7b589459b424230362eb110bac96bce8ffed035bb |
| Publication page | 271c75bc4ad4b3491ca25f8aba2c465e513a727667ff48854ce59726c9b612f0 |
| Manifest | 333d176ecc6ab4c605e9686a4f23ffb5e4ac8d3797f614d38a9110b1c3d07b37 |
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 | 830uFoAoUlOWY5CSRvXv75fCxPx5eR1TH1RZG5rkMvdFjVZPemwpPpDwHgO1HscYSD9moQLySgkJDU7vSZhVBA== |
| 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... |
|---|
Independent retrieval
| 2026-11-03T12:41:28.973562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075301observed 271c75bc4ad4b3491ca25f8aba2c465e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T12:41:28.914825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075301/manifest.jsonobserved 333d176ecc6ab4c605e9686a4f23ffb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T12:41:28.863540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075301/publication.mdobserved 01dc46492eb4f954deba31e7b589459b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T12:41:28.765850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075301/publication.txtobserved e2c45e302c4c115ea2524a7250116d62...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:47.004065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075301observed 271c75bc4ad4b3491ca25f8aba2c465e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:46.925216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075301/manifest.jsonobserved 333d176ecc6ab4c605e9686a4f23ffb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:46.833606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075301/publication.mdobserved 01dc46492eb4f954deba31e7b589459b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:46.678181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075301/publication.txtobserved e2c45e302c4c115ea2524a7250116d62...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 |
|---|