OpenTechnical

OT-2026-000089242

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000089242) never changes.

Identity and time

Publication numberOT-2026-000089242 · never reused
Internal UUID01a0ae9b-db00-7907-9d67-e301a83e1ad9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089242
StatusPUBLIC

Content hashes

Canonical texta84f484f0c996255be9685c874d773e5416007b547899727618b9639b9f3d8d0
Markdownc61d1419d8a6b0895b1c605cbff0abfeb68a0ca405dbd4980fed991384cdbf4b
PDF
Publication page68027e7e93a9baec38d8c8265ddf4298a7775ea1a02b57d9c9bec4f4c993c98d
Manifest59e5e526cc301a90e30c9d70a06a890655dd9e3c967f7e61ca2ed4796f5d13f4

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
SignatureqFYhB8Kurw0Jcir/CM8++0gBMS9+mApwDtP4inKEe4ICdVQn9J/eQcSokibnl0ISomGTMb24DbFzc9s8noXeDA==
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

2026-09-17T09:47:16.385273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089242
observed 68027e7e93a9baec38d8c8265ddf4298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.367738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089242/manifest.json
observed 59e5e526cc301a90e30c9d70a06a8906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.351989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089242/publication.md
observed c61d1419d8a6b0895b1c605cbff0abfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.334964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089242/publication.txt
observed a84f484f0c996255be9685c874d773e5...
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.