OpenTechnical

OT-2026-000089934

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold 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-2026-000089934) never changes.

Identity and time

Publication numberOT-2026-000089934 · never reused
Internal UUID01a0ae9c-428d-79c6-8ab8-794c5807345b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089934
StatusPUBLIC

Content hashes

Canonical text7e5a0ad7044251558ba2e0dcbc0032d8f3bc5f5a698b993447ac524458776202
Markdown7329d13a5b4c77da1075d2df257e9ce3ba8458826f4dc0283ec48e71186d76dc
PDF
Publication page0bbe364a4d39d8b6522307029f2e42eec003dbbc9d6b7e0e6b1ef8baed68140d
Manifest8c7d1fce62201df2c122de4661d1f8506d52ea6cb03c7a2b819ba88559f889dd

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
SignatureILYaZvzAbVobgqJa9VYfONRJC7AubRbP2Ug2knAttA5Zae8My4Ql0FWfD+X385M3zfxnzukW/d96O/RMio6SBA==
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

2026-09-17T09:45:12.811367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089934
observed 0bbe364a4d39d8b6522307029f2e42ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.793326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089934/manifest.json
observed 8c7d1fce62201df2c122de4661d1f850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.773495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089934/publication.md
observed 7329d13a5b4c77da1075d2df257e9ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.754845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089934/publication.txt
observed 7e5a0ad7044251558ba2e0dcbc0032d8...
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.