OpenTechnical

OT-2026-000062326

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after set-down

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-2026-000062326) never changes.

Identity and time

Publication numberOT-2026-000062326 · never reused
Internal UUID01a0ae8c-0abf-7317-ad50-a602ecd348fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062326
StatusPUBLIC

Content hashes

Canonical text62d6d1ca31961388986d847eadfcb6baf77e424b76e2af98b73fe5433a2d4783
Markdown7f615d135a9b881fcb07fe053de6d8dc689e7598c04450dd4884bf582a1f5f8f
PDF
Publication page50ca6ff88ad37de576570b4f4d5f0d753422f8c89421b334721d34b352b97a5c
Manifest5d72d97cb69fef0bd7e4d9fc2d17b472b95926c429ebea4e047a4352eff8651d

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
SignatureZH8teGaYTy8Z1SoSP4X5QGkf2d910/bKgQEuO6MCTzIwSebCO/1axc29IVKnnLINLaKzefM+gFlGywTIMkbHBw==
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

2026-09-17T10:39:37.953320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062326
observed 50ca6ff88ad37de576570b4f4d5f0d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.935253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062326/manifest.json
observed 5d72d97cb69fef0bd7e4d9fc2d17b472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.917206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062326/publication.md
observed 7f615d135a9b881fcb07fe053de6d8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:37.899227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062326/publication.txt
observed 62d6d1ca31961388986d847eadfcb6ba...
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.