OpenTechnical

OT-2026-000102589

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000102589) never changes.

Identity and time

Publication numberOT-2026-000102589 · never reused
Internal UUID01a0aea4-858b-7809-92a8-654d50a537c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102589
StatusPUBLIC

Content hashes

Canonical textf1500a2896853b456945c6f31789b130e6a7032e2c066fdb67c9061797a4cf3c
Markdown1a4de48afeb684aedcb4ade01f356f5cce10d39b407913bcd1ce7c0684725b40
PDF
Publication page9d8c799222b31b101cfaff6638fa3db3caad83eade94eb21d26c91c8257d8406
Manifest88e116de3a618db546fbccab79e93a879655c1555366a8b488877fc8b64f2926

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
SignaturekglvJFP9BhPaxMGfoeiEwHqSZ+A9BQu7/9mVOQXkRTIqOKKV19e936phiyMPt7p89/L6GxW6qZNmjK/Md1PdAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:04.492613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102589
observed 9d8c799222b31b101cfaff6638fa3db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.474098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102589/manifest.json
observed 88e116de3a618db546fbccab79e93a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.456324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102589/publication.md
observed 1a4de48afeb684aedcb4ade01f356f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.437613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102589/publication.txt
observed f1500a2896853b456945c6f31789b130...
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.