OpenTechnical

OT-2026-000086569

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000086569) never changes.

Identity and time

Publication numberOT-2026-000086569 · never reused
Internal UUID01a0ae9a-2c98-7472-9943-8e606fe89f93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086569
StatusPUBLIC

Content hashes

Canonical text735839030174bdd16294faef695680ff96a5611c0879097dd04f6a0c2f135e25
Markdown0ca2b99b006976b5d215a0a4c82f37a456eb657edfcd291a61fe4c5a67cb10dd
PDF
Publication page41540d5a47bf3df688704a0b21dd61ab8ad8c2f8887db066463dae4655a61da6
Manifestfb72008a21066c1629f3874e0490052ef6c4f37fa78672e85cf5a000b02879bf

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
Signatureutl8IRodv9BEhqx1v171DOEsIVJaUdnWiaFCga/Uy7xc4qczlh39bPqz/dJ3+eFIn3gvZBZL1/qXSef0ttyxAA==
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

2026-09-17T09:52:24.206120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086569
observed 41540d5a47bf3df688704a0b21dd61ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.174736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086569/manifest.json
observed fb72008a21066c1629f3874e0490052e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.155367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086569/publication.md
observed 0ca2b99b006976b5d215a0a4c82f37a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.135507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086569/publication.txt
observed 735839030174bdd16294faef695680ff...
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.