OpenTechnical

OT-2026-000061460

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061460) never changes.

Identity and time

Publication numberOT-2026-000061460 · never reused
Internal UUID01a0ae8b-7b43-7d01-b766-8d577f0cfc52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061460
StatusPUBLIC

Content hashes

Canonical text4d5cfec4d0bbd0f8506217fa866243852c54c4dd071d82f84e51944f9a10c524
Markdownf6c2d032480fec2672fb2d03abd4ffb822193bc7be6c74fd24a545ce70dfba4d
PDF
Publication page0119562d8f8e190235f5d04926e2b4190b490e83fcecdce46d31275a641acdf5
Manifest6eb906875ba648e9bfb1a2ceac2fcef378e7fcac45d0e0d7959454abe18545f3

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
SignatureiZrTuTLw2abDdK3+3DWFw9gTxju7ByihIu64igL3cTvbBRH/fiqU43m9jnHNwRKeo2dwz2tn1upDZP4HcDdoDA==
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

2026-09-17T10:41:20.631600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061460
observed 0119562d8f8e190235f5d04926e2b419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:20.613557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061460/manifest.json
observed 6eb906875ba648e9bfb1a2ceac2fcef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:20.597174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061460/publication.md
observed f6c2d032480fec2672fb2d03abd4ffb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:20.579766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061460/publication.txt
observed 4d5cfec4d0bbd0f8506217fa86624385...
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.