OpenTechnical

OT-2026-000008374

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000008374) never changes.

Identity and time

Publication numberOT-2026-000008374 · never reused
Internal UUID01a0ae6a-e469-7956-8b83-dc0b6a8b5146 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008374
StatusPUBLIC

Content hashes

Canonical text406ad06871ba1b44d83b60c3b9ad57aa5125aadc0e86fe1165425852adcc0cd1
Markdowna42f5796012c9426045aee97fcac84f4895e9b9a4827209113b3ba365339885f
PDF
Publication page8bcbafd262225c93cdb01dad6869065985725c69d1d4d9649148e8a37500e26f
Manifested1b751ce229177bdfee72564b7e4e1aadced6387aa5532214b81702da3a1cfd

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
Signature0aMOC3p0BqzTPFXOl4Dckyg/n++sCdbSukTEU0XpUcuVSFTjZRO4PTqPaKV6Yw779rl2WANySKhdZA19tHBPCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:12.138358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008374
observed 8bcbafd262225c93cdb01dad68690659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:12.118125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008374/manifest.json
observed ed1b751ce229177bdfee72564b7e4e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:12.099076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008374/publication.md
observed a42f5796012c9426045aee97fcac84f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:12.080808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008374/publication.txt
observed 406ad06871ba1b44d83b60c3b9ad57aa...
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.