OT-2026-000057689
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000057689) never changes.
Identity and time
| Publication number | OT-2026-000057689 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2695-7bce-a3c0-c98f428d1e2a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057689 |
| Status | PUBLIC |
Content hashes
| Canonical text | 692501668460ecdcfe6985768245d5dafb14f21f04c733e0884278a1b594ae46 |
|---|---|
| Markdown | fffa0bc35776128098f9f8c0f569549dd04bfccf7aa707c138111c371cf414d5 |
| Publication page | abb1689aedae662a023a250a79b89046d836af8e9f81a677a63a16de16b74ade |
| Manifest | 1bffe4d1d050a3667d8b4c2930dd0eeb007f6d225e1e0fc046f9bc444febf96c |
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 | ciWMUqNTdXvwGClQKaqdk6REaHKzdfaQabUFOUZMr6DSXwUvbhVsArkt89/BCntLWbvKPu7HKkZHwWxxuWQtBw== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:48:21.055087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057689observed abb1689aedae662a023a250a79b89046...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:21.035953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057689/manifest.jsonobserved 1bffe4d1d050a3667d8b4c2930dd0eeb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:21.014677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057689/publication.mdobserved fffa0bc35776128098f9f8c0f569549d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:20.995834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057689/publication.txtobserved 692501668460ecdcfe6985768245d5da...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. |
|---|