OT-2026-000075020
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000075020) never changes.
Identity and time
| Publication number | OT-2026-000075020 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2d-7de7-a73d-afed3c7b77c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075020 |
| Status | PUBLIC |
Content hashes
| Canonical text | 399f738bfb42ec14b40e33e8fbca298ccc50a58e0e25fb97a56939d0b693da4f |
|---|---|
| Markdown | 7fcc82ef7b495f17f1db52f2927aa6a931b0f6f86fd3ac8a0a64def12a3fbfee |
| Publication page | 99f1b73722a277db205cc0f933c08432dbcf1d7cfd481acfe7b06484cb6907a1 |
| Manifest | 0808625c963dce13945de611373ef2e6a27b7eddfd43acc6b8a53967d8425281 |
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 | X3wQWcEItoW11cJ3AjlBUDHPeuZEb/jfX+FgkufoXOxMuNtF1QKrRYa1fKZ7mQFEK+11ou/Zh/7EJe7lW7dICg== |
| 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
| 2026-10-04T04:41:29.304402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075020observed 99f1b73722a277db205cc0f933c08432...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T04:41:29.249605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075020/manifest.jsonobserved 0808625c963dce13945de611373ef2e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:29.195983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075020/publication.mdobserved 7fcc82ef7b495f17f1db52f2927aa6a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:29.126472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075020/publication.txtobserved 399f738bfb42ec14b40e33e8fbca298c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:33.380207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075020observed 99f1b73722a277db205cc0f933c08432...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:33.325677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075020/manifest.jsonobserved 0808625c963dce13945de611373ef2e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:33.272710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075020/publication.mdobserved 7fcc82ef7b495f17f1db52f2927aa6a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:33.201537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075020/publication.txtobserved 399f738bfb42ec14b40e33e8fbca298c...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 |
|---|