OT-2026-000087640
Publication integrity record
Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000087640) never changes.
Identity and time
| Publication number | OT-2026-000087640 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd53-7763-a9c4-58d75f7f7bdb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087640 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55d7b289e03d8988193baa8f3c7da8f544b9d1e6107f260276fa5dc8380b8df6 |
|---|---|
| Markdown | a25980360f248421c8b2991cbfb6e989dc8893f05fa32ed4736d0f8baf624be4 |
| Publication page | 9bca60f280782da5d730fba051fae797d62494bcf0a3b63faddd08e1781caf3b |
| Manifest | 60ee7590013ae540398b28b5fd1004d09cfedf1dfc5ce5e936490caad645c7a6 |
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 | nhrqMxppwjnvO2Nk8x9a8e8IN96bgkR8WIPeIGiwECtI6XRRTamish4C3l8IQoV0tomUkWcAoI0hzNpBZQPaAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-09-17T09:51:05.137842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087640observed 9bca60f280782da5d730fba051fae797...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:51:05.122620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087640/manifest.jsonobserved 60ee7590013ae540398b28b5fd1004d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:05.105469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087640/publication.mdobserved a25980360f248421c8b2991cbfb6e989...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:05.090004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087640/publication.txtobserved 55d7b289e03d8988193baa8f3c7da8f5...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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