OpenTechnical

OT-2026-000088323

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000088323) never changes.

Identity and time

Publication numberOT-2026-000088323 · never reused
Internal UUID01a0ae9b-5d27-72ae-ab4b-0fa1309d594a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088323
StatusPUBLIC

Content hashes

Canonical textffd4ad2ca5d05b3118c4688ba8cd4a9e4095124386400ef1e866ab24547c4b5a
Markdown0563f3ce21c0c307e129bf97ecd1411cf8f21d6bfcc69333274085c3499ebb92
PDF
Publication pagea3d9a83b42cd9680823aa5700d75d9ad71dff7fbd269d2c531e3b8f51ac18f9d
Manifeste0ffe471c68d61b69124fb0b02a0f0c2882fbc9c0ea982ffbef22fc2ed69e654

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWXs7eepYJecm4Xgvr+1p2HtBLncizc4SAXah0PB1di85gCvoTMgFzsNEyQrlxvpSYou8tvslogniKqldARDrAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:38.281952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088323
observed a3d9a83b42cd9680823aa5700d75d9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.264914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088323/manifest.json
observed e0ffe471c68d61b69124fb0b02a0f0c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.248809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088323/publication.md
observed 0563f3ce21c0c307e129bf97ecd1411c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.232288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088323/publication.txt
observed ffd4ad2ca5d05b3118c4688ba8cd4a9e...
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 archivePending 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 packagePending Custody packages are produced weekly.