OT-2026-000054981
Publication integrity record
Two 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-2026-000054981) never changes.
Identity and time
| Publication number | OT-2026-000054981 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e80-7b1a-8591-91f065edfb82 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48d35fb21b0f02a3320c80412e53be326b9081831aa3ad2c1a9af0587f432c04 |
|---|---|
| Markdown | dc451cb66658d30aaaa3b4d2ca671b0c0f2f74a05207fd37780dfd0888e40e0b |
| Publication page | 9b108ec80c9928f48fed77c60664ca2480c74ba248ccf6dd807c335a991e287a |
| Manifest | c11049109f9ee6e47b6faceca8b668eaa90a140824713272a9e6ca6a8e30995c |
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 | Pm7qV+XMDYdcga6Pz0TzAFDAVXpRVti22ai7mVzkkwAumxMOS0vgQ7V3a0TacOT9KDXiSJmGuOpcEVgrFbosDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:53:06.310186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054981observed 9b108ec80c9928f48fed77c60664ca24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:06.293544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054981/manifest.jsonobserved c11049109f9ee6e47b6faceca8b668ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:06.276942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054981/publication.mdobserved dc451cb66658d30aaaa3b4d2ca671b0c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:06.260120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054981/publication.txtobserved 48d35fb21b0f02a3320c80412e53be32...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. |
|---|