OT-2026-000072512
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000072512) never changes.
Identity and time
| Publication number | OT-2026-000072512 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d8-72e8-ba60-88035725f6b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072512 |
| Status | PUBLIC |
Content hashes
| Canonical text | 172c5fa3568ecab6c2bceeb3c360c999aa922e0628a202f82d1d46ca0d381bac |
|---|---|
| Markdown | 29a7733d8c4a1efcd3595ed0fbcbee52e95de548e6a40365de16ce51f3387c44 |
| Publication page | c0e24a750600081ba6ed6108a37b1237ccce40ac50d43cf0f2d6dd154728172e |
| Manifest | 485841f17a9c91e2eb700dc4eef7c42be05677b7b6ab8c7d799a361733a4adb2 |
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 | goj3I/aR1Tnqk7miHtXbaFllXIVwPup1OTChQHQchTs1N6aAcXoB3J/fqAS1cJRbD4cgkL0aITnEfBaCEiZQAQ== |
| 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
| 2026-10-06T08:41:41.543038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072512observed c0e24a750600081ba6ed6108a37b1237...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T08:41:41.490066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072512/manifest.jsonobserved 485841f17a9c91e2eb700dc4eef7c42b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:41.404506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072512/publication.mdobserved 29a7733d8c4a1efcd3595ed0fbcbee52...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:41.282839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072512/publication.txtobserved 172c5fa3568ecab6c2bceeb3c360c999...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:55.758507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072512observed c0e24a750600081ba6ed6108a37b1237...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:55.670149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072512/manifest.jsonobserved 485841f17a9c91e2eb700dc4eef7c42b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:55.610291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072512/publication.mdobserved 29a7733d8c4a1efcd3595ed0fbcbee52...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:55.452206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072512/publication.txtobserved 172c5fa3568ecab6c2bceeb3c360c999...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 |
|---|