OpenTechnical

OT-2026-000077002

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000077002) never changes.

Identity and time

Publication numberOT-2026-000077002 · never reused
Internal UUID01a0ae94-b071-7239-b143-0b443358d1ea · 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-2026-000077002
StatusPUBLIC

Content hashes

Canonical texta7c7e3c9d504b264f03c49b5d92a2707eeba9152e0da69b0e442be3d62229ce8
Markdownbf455d939a3155aeeffbcd195dfb3e2f680ee0327559559b303f3bb91832dfc5
PDF
Publication page11608fd2756697a170b853337996844f48abc04d22e5baa72c3dce0056b848c3
Manifest13d7f7745f26d5fa23c446f44d283227a232a415d6b4b188bcc675fa084235ec

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
SignatureAJ4fPeEPzCuz3afPdeA0qVmbBX9NjInmaY5soFk4SR3LmbCWsPP6zJYR7UZYy/O9XQtD3pTmr7UroDgCSwrYBg==
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

2026-09-17T10:10:20.790587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077002
observed 11608fd2756697a170b853337996844f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.769045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077002/manifest.json
observed 13d7f7745f26d5fa23c446f44d283227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.747256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077002/publication.md
observed bf455d939a3155aeeffbcd195dfb3e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.727489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077002/publication.txt
observed a7c7e3c9d504b264f03c49b5d92a2707...
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.