OT-2026-000019972
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000019972) never changes.
Identity and time
| Publication number | OT-2026-000019972 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-74fb-98fa-3d26c85157bf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019972 |
| Status | PUBLIC |
Content hashes
| Canonical text | f0323225cbc74406e0e8c7ec4c105c8bdf7a03177b14c6b5f236ac14adddf056 |
|---|---|
| Markdown | dd96eaa506ed069404539eb18db87f168330bb2b090fc97feda59d4a1113e701 |
| Publication page | 0b2b5a3bca829f24fb9db3ff22de969d4edb08684e0ec426abf91e566e774c09 |
| Manifest | fd1d0104e9beaad9d06ae7733b52ee268e4a007b4f014d5df5a4a0504b6efb71 |
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 | O3zG3J50Pe8Q4AAXVZ9PYyp3nLGt3Tnu1WrZPq1HY5BSomVV0e4lVLPX7LMR6KGgpdhW/9YY0QmTNWofUEpACg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-28T04:23:08.179017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019972observed 0b2b5a3bca829f24fb9db3ff22de969d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T04:23:08.162886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019972/manifest.jsonobserved fd1d0104e9beaad9d06ae7733b52ee26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:23:08.138995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019972/publication.mdobserved dd96eaa506ed069404539eb18db87f16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:23:08.116429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019972/publication.txtobserved f0323225cbc74406e0e8c7ec4c105c8b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:04.940892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019972observed 0b2b5a3bca829f24fb9db3ff22de969d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:04.925685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019972/manifest.jsonobserved fd1d0104e9beaad9d06ae7733b52ee26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:04.904794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019972/publication.mdobserved dd96eaa506ed069404539eb18db87f16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:04.877897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019972/publication.txtobserved f0323225cbc74406e0e8c7ec4c105c8b...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|