OpenTechnical

OT-2026-000009457

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000009457) never changes.

Identity and time

Publication numberOT-2026-000009457 · never reused
Internal UUID01a0ae6b-7562-7c44-a6e4-60e75dbbdd4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009457
StatusPUBLIC

Content hashes

Canonical text9ea7377c5afcccff1b7d61a461f32f94d4c57a1a33a24561554ccccc06e73414
Markdown968237b79483adaede0fb97ed175d461997a97c6ff72f43039bcc67bc40922e9
PDF
Publication pagea357c0aa04c095899ac32527e20df5508a152ec9fa3854098b8a4e150af2ce9f
Manifest3ffd2286f237b6f771da88c96c7daf9ede7de65e9886e7fea922747b91d02bba

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
SignatureJrMESgyijWBWtPokFtf48jYmvoafpglq3kfOGkaN9fqhXPXctzjH9+4Q/q/CPbdOkk1HxYAhrojUlq3MI44WCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:50.696122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009457
observed a357c0aa04c095899ac32527e20df550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.676655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009457/manifest.json
observed 3ffd2286f237b6f771da88c96c7daf9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.654362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009457/publication.md
observed 968237b79483adaede0fb97ed175d461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.635080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009457/publication.txt
observed 9ea7377c5afcccff1b7d61a461f32f94...
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.