OpenTechnical

OT-2026-000089232

Publication integrity record

Four bellows cup 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-2026-000089232) never changes.

Identity and time

Publication numberOT-2026-000089232 · never reused
Internal UUID01a0ae9b-db00-7047-9be8-d825d8b970bf · 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-2026-000089232
StatusPUBLIC

Content hashes

Canonical text2dabc53a0613fac5e98d37f7ec3a0f38e69418b485f29de9bfce251c55d8be2d
Markdown00d2ee7f46715c7fd30e805802728f3b688b546c03465cea98b87dc6f75ac5a4
PDF
Publication page0dc4e0ba401fc8119f6f1a36c5521cdfedab549b5d790bf3d317e4156655c98b
Manifested1dd47e79831832922088c535e6d29d3da419588ca9896c7c2d648eeb81a6da

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
Signature2wsX7WYERgAHKfKlrLvBX+nAqJiQKeSq+HZAaMGAW4jyz7F0gOj8Df1m09luNtvjCwk8/sqmKOF7NrKzBur7DA==
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

2026-09-17T09:47:15.605565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089232
observed 0dc4e0ba401fc8119f6f1a36c5521cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.586705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089232/manifest.json
observed ed1dd47e79831832922088c535e6d29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.571714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089232/publication.md
observed 00d2ee7f46715c7fd30e805802728f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.556531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089232/publication.txt
observed 2dabc53a0613fac5e98d37f7ec3a0f38...
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.