OpenTechnical

OT-2026-000062093

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000062093) never changes.

Identity and time

Publication numberOT-2026-000062093 · never reused
Internal UUID01a0ae8b-b8b0-76ad-98d3-e02cd57cbfab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062093
StatusPUBLIC

Content hashes

Canonical text17c3bba5652d9ea3764352e0e31e7bb3ab38b0ed0b340387a21aed26379d548e
Markdowna75b90f5f21ff37be9999ff4dda7d97bd5dd406ee2261d8afec0ddff1c4afb33
PDF
Publication page4bcfa1f8d1fdf5b24b807e860e15f1964842ef9898fdc165cb3b06c852553701
Manifesta1875f2efd45262ba080c83a181919bf018805a63cde820d50f7ccfc6377a886

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
Signature4K646sDgLM2kwEyov+4IDvnNhWf1NDb6kOvC8qxCuJ3TmY5hSwkkGpMyZFRcIp2+B52+3aXLOPtm9I95+cXiDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:08.921406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062093
observed 4bcfa1f8d1fdf5b24b807e860e15f196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.903396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062093/manifest.json
observed a1875f2efd45262ba080c83a181919bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.884879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062093/publication.md
observed a75b90f5f21ff37be9999ff4dda7d97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.866277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062093/publication.txt
observed 17c3bba5652d9ea3764352e0e31e7bb3...
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.