OpenTechnical

OT-2026-000027919

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off before 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-2026-000027919) never changes.

Identity and time

Publication numberOT-2026-000027919 · never reused
Internal UUID01a0ae72-a4a5-7962-8a3e-b5881aa2c8b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027919
StatusPUBLIC

Content hashes

Canonical text5029e99c48fa043e18dd84b9d20a5c1860c8cbe802b7e537e3cfac05253f2ceb
Markdownaf419519530c0cd080aa485e8874660330ec668ff58f4652c0cec8a309892422
PDF
Publication pagef5245665dd395936958d204bd3186925168832cdb72ba20c717d63d018ade8aa
Manifest5562eef20a701ba18faf5522041a4ff04def32b96927d8f92d351a1c09baf85a

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
Signaturemdpi27eMJGeqY+fKlSJWCVHdj7zHShKpuZnqnqm9Tlc/ec5paYBD9t2ldt8q0zGleATbfdtCHzZx/JEsfDqXAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:05.703087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027919
observed f5245665dd395936958d204bd3186925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.684706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027919/manifest.json
observed 5562eef20a701ba18faf5522041a4ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.666128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027919/publication.md
observed af419519530c0cd080aa485e88746603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.647524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027919/publication.txt
observed 5029e99c48fa043e18dd84b9d20a5c18...
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.