OT-2026-000075240
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000075240) never changes.
Identity and time
| Publication number | OT-2026-000075240 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f200-75a1-a6af-603ed5703de7 · 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-2026-000075240 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a1f541654c503bc78a837ab9a1166cdd417618055de7cac501e4d3782960f14 |
|---|---|
| Markdown | b604ddf9be45877902a40b8049a26b340ef63e128a47f46ed0913c284f117f33 |
| Publication page | 188d729f4789dc0c98f308ff169fac3d1bb1f5479a3d9caea0e59ff95335415a |
| Manifest | 7ffd349021b1fe9173b7b4d896fbdf2657a920e63bf1fbee6f33c422eb953dfa |
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 | fZd2PZvumOas6N61ThWyibEIcQcAMN2VgiQpgsX/8Vfa57MIK2OfAWNHnxsIdbGDMXAIVKN7LxlSzVIQJy8HCQ== |
| 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
| 2026-10-11T12:42:07.090276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075240observed 188d729f4789dc0c98f308ff169fac3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T12:42:07.015866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075240/manifest.jsonobserved 7ffd349021b1fe9173b7b4d896fbdf26...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:42:06.910067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075240/publication.mdobserved b604ddf9be45877902a40b8049a26b34...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:42:06.811336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075240/publication.txtobserved 9a1f541654c503bc78a837ab9a1166cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:52.798290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075240observed 188d729f4789dc0c98f308ff169fac3d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:52.720728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075240/manifest.jsonobserved 7ffd349021b1fe9173b7b4d896fbdf26...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:52.624954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075240/publication.mdobserved b604ddf9be45877902a40b8049a26b34...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:52.529695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075240/publication.txtobserved 9a1f541654c503bc78a837ab9a1166cd...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 |
|---|