OpenTechnical

OT-2026-000076912

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before 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-2026-000076912) never changes.

Identity and time

Publication numberOT-2026-000076912 · never reused
Internal UUID01a0ae94-b070-740f-94a8-26d0465e5719 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076912
StatusPUBLIC

Content hashes

Canonical text12bf4ffdcb483137ae25cca27077a879bb1af42814ada98d3a0e0e92e697e9eb
Markdown0b3547da6bf19ebcc064ba613177f757f396b4c8b13e6b1cb9e53586ff104f36
PDF
Publication pagebb4f1717bfd245c6364140479af5737fab42798c50278b2b8eaa673d5f7b03f7
Manifestbd7b44f646ad1f4813147dcfd2f3b2b6ff038262235237f5ed40e0fd744ee2b6

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
SignatureHQ/wxlvx09FDyQ02cL6SLpjzkh3+HgowG9121dVJoqmTDEmqpYU6lRfEvcIDeCx2D2PgqEL5ah5d+b+qzszODA==
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

2026-09-17T10:09:50.015365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076912
observed bb4f1717bfd245c6364140479af5737f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:49.995765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076912/manifest.json
observed bd7b44f646ad1f4813147dcfd2f3b2b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:49.977487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076912/publication.md
observed 0b3547da6bf19ebcc064ba613177f757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:49.957745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076912/publication.txt
observed 12bf4ffdcb483137ae25cca27077a879...
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.