OpenTechnical

OT-2026-000062739

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000062739) never changes.

Identity and time

Publication numberOT-2026-000062739 · never reused
Internal UUID01a0ae8c-6389-78ff-93ce-9e17267da350 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062739
StatusPUBLIC

Content hashes

Canonical text8b6645c22193d4a811437bd45532d4aa6a107c964a50ea652aee85f4665f4891
Markdown03bac345d9caa37cacb89876b792d2998881b46fbd3366b9d9735b2d8755be6a
PDF
Publication page406aa7508d061cf011c30200a7601d79a04fc57f139289ac352b9929ecc8ab27
Manifestf9cd2ca10090d72a3ae58b0cecb95da28fc5d83afac58da012dc640529a03de0

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
Signature+INk8v/+mlFjzVzoytljRGhuqxlr1SRHhL3yWxsDbCF9e7CYNNkPpAZap92taZ7i1vMluOIcZ2TxkSVKDOOxAA==
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

2026-09-17T10:39:18.879037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062739
observed 406aa7508d061cf011c30200a7601d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.861208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062739/manifest.json
observed f9cd2ca10090d72a3ae58b0cecb95da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.841359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062739/publication.md
observed 03bac345d9caa37cacb89876b792d299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.822165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062739/publication.txt
observed 8b6645c22193d4a811437bd45532d4aa...
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.