OT-2026-000021816
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000021816) never changes.
Identity and time
| Publication number | OT-2026-000021816 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-72fe-9478-eb55d06d368a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021816 |
| Status | PUBLIC |
Content hashes
| Canonical text | f454953e05486d4355ea83b6af254592ec83d7f9f3b4bab83c65926c5a7e3548 |
|---|---|
| Markdown | 37f87d25a21d81508ab1d2eaca79f34820c6fc5668776cf458527cbd4b45a0b4 |
| Publication page | 4b08f0fc6d38654c23094a683391348fc0b88d0ec2b715a67a5d53a7b8074052 |
| Manifest | 3ce264d28ab6025de3243906f3668727739a0ca4ca21e17bb93974dd5899c504 |
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 | u/WyG4IhdjBoeawusJesKzNoJ099iGNDR3IbGgSLso27BcBVBM/G4SiIlT5ryEt18UHmjpe6clNEaXo7atD2Cw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:22.219656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021816observed 4b08f0fc6d38654c23094a683391348f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:22.201310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021816/manifest.jsonobserved 3ce264d28ab6025de3243906f3668727...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.182260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021816/publication.mdobserved 37f87d25a21d81508ab1d2eaca79f348...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.164817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021816/publication.txtobserved f454953e05486d4355ea83b6af254592...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. |
|---|