OpenTechnical

OT-2026-000083426

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000083426) never changes.

Identity and time

Publication numberOT-2026-000083426 · never reused
Internal UUID01a0ae97-c964-7a27-8601-aa8571950c2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083426
StatusPUBLIC

Content hashes

Canonical text43ab2ad997f77699a5a9622b075ef662d8f68c44763376a963469101f3f58186
Markdowncbf5b90811f7745f993b468c11cb9aa81bf0d1313b8fba6de7ca065f9ef8e2e5
PDF
Publication pageea3103d695939c70d9af9d8b77588441096495cc525194a8ceed4b364b42cab2
Manifest15af9105b8a761c144d490063b52706ece438cc0e5f059f9a2208cc2252e3c55

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
SignatureWAUO/PWV8X98IBEyJf/QSYGWB3qoqSVjYELOJ0zfS69UjgaFVqMP0D7UMNtA97rdcz7Lsb+T0cElDewDGRQ4Ag==
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

2026-09-17T09:57:50.491308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083426
observed ea3103d695939c70d9af9d8b77588441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.474777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083426/manifest.json
observed 15af9105b8a761c144d490063b52706e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.455109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083426/publication.md
observed cbf5b90811f7745f993b468c11cb9aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.437053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083426/publication.txt
observed 43ab2ad997f77699a5a9622b075ef662...
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.