OpenTechnical

OT-2026-000008859

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000008859) never changes.

Identity and time

Publication numberOT-2026-000008859 · never reused
Internal UUID01a0ae6b-31b7-7212-a752-2736aa954aff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008859
StatusPUBLIC

Content hashes

Canonical textce7219a4d46ab37dcd9cef8e3296f6610b161256b7320b44c07d988cb69debab
Markdown55ce0235b73bba0cbce5833a7620a2e869c39f9001daad359f6ec5b12e1a6283
PDF
Publication page34f2349890ab1b46db03e8d126678d5d69e267c4261184270ed3a27c2bd94f17
Manifest0501e64b7fb0305c55b01db5f891641f26bdf6a22443ca7153dafd491a3045a6

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
SignatureySaVABAeCzV3hubpjc8VEu2AQHBCKjNu2WT1ZuHoOMq60zeAMGHS40/EqV3WCWB4AnE/2qXYIsuAHBoBAPiQBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:26.566872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008859
observed 34f2349890ab1b46db03e8d126678d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.548108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008859/manifest.json
observed 0501e64b7fb0305c55b01db5f891641f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.531233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008859/publication.md
observed 55ce0235b73bba0cbce5833a7620a2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.513388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008859/publication.txt
observed ce7219a4d46ab37dcd9cef8e3296f661...
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.