OpenTechnical

OT-2026-000097451

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000097451) never changes.

Identity and time

Publication numberOT-2026-000097451 · never reused
Internal UUID01a0aea1-55b3-748a-9f40-ef0f70c05e96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097451
StatusPUBLIC

Content hashes

Canonical text0494ea46435c1ee9154a590541909a4a83b6aa6af4621e220e44a0a2d8f7c4ad
Markdown0e7ddb83500e1d1dfda2ffe0426f68f7ff229b0c6204ce9cbbb8d52837a11bcf
PDF
Publication pagec3ea6ba14ab58d6dd0a09002807e07695ea16270d869ded5c8366229acd720a0
Manifest80af4459a88381feff7e0231ebef250a06786a2947525b61653483c59273e7c5

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
Signature9AtZZNWeJQ/nWbXQgw4+IRCgxK4TUIxhShFfGk/N1GCGRK1E/zv1v60U+nzY1rpsJEc6gkIffqd1rsK5t1z2AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:18.817633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097451
observed c3ea6ba14ab58d6dd0a09002807e0769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.799972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097451/manifest.json
observed 80af4459a88381feff7e0231ebef250a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.781534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097451/publication.md
observed 0e7ddb83500e1d1dfda2ffe0426f68f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.764809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097451/publication.txt
observed 0494ea46435c1ee9154a590541909a4a...
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.