OT-2026-000042172
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000042172) never changes.
Identity and time
| Publication number | OT-2026-000042172 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-721d-ac3c-21f363082960 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042172 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9c4c7f07935d7655c48f30458a292fb09547cd73f2e7345204fbb76183b1ac1 |
|---|---|
| Markdown | 2a873056aae1654e963943df3b0bded98c0104ac26ec55ba179e77879ad8c283 |
| Publication page | 9008564908b68f44ff64629fbfc3d2cafd1d541ef91423e7a9d6532c1f261fa7 |
| Manifest | 84f247097336ea2329ca290a5cada46bf3b363613fcaf520b536b2d6c2988a41 |
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 | Bmdn4ac68XqgXMBvadkAW8MdTPodE7QAL+xPB17fo54KbdRF+xCjiBPLeQUcHjJV9eMAlMu1MTUgVuKso9VrCQ== |
| 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... |
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Independent retrieval
| 2026-09-17T11:15:49.619634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042172observed 9008564908b68f44ff64629fbfc3d2ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:49.600851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042172/manifest.jsonobserved 84f247097336ea2329ca290a5cada46b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:49.580224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042172/publication.mdobserved 2a873056aae1654e963943df3b0bded9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:49.560457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042172/publication.txtobserved a9c4c7f07935d7655c48f30458a292fb...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
| Custody package | Pending Custody packages are produced weekly. |
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