OT-2026-000081290
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081290) never changes.
Identity and time
| Publication number | OT-2026-000081290 · never reused |
|---|---|
| Internal UUID | 01a0ae96-f374-778b-b4ea-ee56ecc82f23 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:43.461344Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081290 |
| Status | PUBLIC |
Content hashes
| Canonical text | f77df4c802963fc4ef21351c7d17d35792700b7a191ef7f5dc8ccaba01ac8bae |
|---|---|
| Markdown | dca5e1e78b06e721e2344acf0c525db7576cb366e84d8974f2502b900fa71987 |
| Publication page | 4cf607a4fd82642bb38acd233bfababc7bf0e7bdbd88195dcf8ed693bfaa95ac |
| Manifest | 437da944ad2b994d0284be5d8e402d6f512780b3baff8277fd3a8b7e3b46afa3 |
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 | aTJILiMRfsqOWANakRcvrjaOYWjKMkKte08Enfw71EMlWlxG7hTXqNTNzm1kerhFl5vZ1OmO2Gu+3sqE9Y2WBQ== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:01:23.892141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081290observed 4cf607a4fd82642bb38acd233bfababc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:01:23.870796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081290/manifest.jsonobserved 437da944ad2b994d0284be5d8e402d6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:23.848713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081290/publication.mdobserved dca5e1e78b06e721e2344acf0c525db7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:23.830008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081290/publication.txtobserved f77df4c802963fc4ef21351c7d17d357...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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