OT-2026-000053521
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000053521) never changes.
Identity and time
| Publication number | OT-2026-000053521 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-74ea-a1f5-bf69e6b6b2c2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053521 |
| Status | PUBLIC |
Content hashes
| Canonical text | e85d3fc8c2a08901e1f654df18c79d3b662fa138e447937bed4bfd460fb3f24d |
|---|---|
| Markdown | d21b6da39558f4c5e5ef86098c0c4989366da0b74d5609a59954b3669c836502 |
| Publication page | 4829e5a609570da38d4d198d50ae9894175dcb6de04c3045abc46a3bd115e03c |
| Manifest | fb1c99ced2543803bf5ff12e90d4f6fb887e3e548e9c8cf7bf035c8195604704 |
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 | b6j41YImBaPys2tmADAMYnPFc3RZwzXU97jb4c0U6Ep9nZ48hLGtfcLNNGF+T4Iar0ArxKIfHNm/iD3UERLDAQ== |
| 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
| 2026-09-17T10:55:22.166734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053521observed 4829e5a609570da38d4d198d50ae9894...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:22.148420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053521/manifest.jsonobserved fb1c99ced2543803bf5ff12e90d4f6fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:22.130484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053521/publication.mdobserved d21b6da39558f4c5e5ef86098c0c4989...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:22.111873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053521/publication.txtobserved e85d3fc8c2a08901e1f654df18c79d3b...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. |
|---|