OpenTechnical

OT-2026-000053959

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000053959) never changes.

Identity and time

Publication numberOT-2026-000053959 · never reused
Internal UUID01a0ae85-b3a7-7fec-af66-cea756d4d28e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053959
StatusPUBLIC

Content hashes

Canonical text5f184f720ef514665d342c5961909c83d363b1147b39026655bd2281ddcc480b
Markdown53512f456256b9c52d8b56df7041823133b21f589e0e992f54a3443f290bd351
PDF
Publication page04c5dcd4388509690113338207d2c8a9ae9eeba3d395ac20ca27fc05ae994adf
Manifest5ea1ff05395cff61dc9ce12d670d33eff4c6d0ce758a7bde1182f3fea5b6c917

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
SignaturefDUuoKT3ZiZ1Y2442MjrGAP4WNbCgV/m9ZVfc0dNZbuMKClL56NgWzUjpcn50MmeWhzuHfoMunFGYtw7AFsxDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:13.488874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053959
observed 04c5dcd4388509690113338207d2c8a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.461035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053959/manifest.json
observed 5ea1ff05395cff61dc9ce12d670d33ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.434536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053959/publication.md
observed 53512f456256b9c52d8b56df70418231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.405863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053959/publication.txt
observed 5f184f720ef514665d342c5961909c83...
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.