OT-2026-000053537
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-2026-000053537) never changes.
Identity and time
| Publication number | OT-2026-000053537 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a92-7eb0-adf8-fd05370d78d6 · 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-2026-000053537 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8a438e4d4520fa40f3357d650f5b9009eab60e8475530d8a90b28ec723393d36 |
|---|---|
| Markdown | 22c0fb5f8e57cb4082bb8899ba1a124ca9ceb536c6a342b665ead77a0685c871 |
| Publication page | f3931ce0159f3327eb4ddd060b74bf23b2b7cd8e175e327549ba8d2ed9ddc318 |
| Manifest | c57b6c398c98910c29c87c5ed3909bac4d0b97517825bb8c099c047a901a6dae |
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 | Of287RSUbbaTj7yY+oLDGQ8sRXUKEE8oLAAqJMy1XUSIOEWr4+sQWrWFKq6mNOfKGBmGk9w5OcWvm6C7l/zoAg== |
| 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
| 2026-09-17T10:55:23.410088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053537observed f3931ce0159f3327eb4ddd060b74bf23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:23.393143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053537/manifest.jsonobserved c57b6c398c98910c29c87c5ed3909bac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:23.376107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053537/publication.mdobserved 22c0fb5f8e57cb4082bb8899ba1a124c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:23.356940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053537/publication.txtobserved 8a438e4d4520fa40f3357d650f5b9009...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. |
|---|