OpenTechnical

OT-2026-000099652

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099652) never changes.

Identity and time

Publication numberOT-2026-000099652 · never reused
Internal UUID01a0aea2-c976-7471-bb2b-d3c1c8fdd048 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099652
StatusPUBLIC

Content hashes

Canonical textb0c16546d46eb06a14d89110b5e37c94bc06b87f3d990353db897b0187ed3d9b
Markdown78c887fc5e4c9a4ffd9ef340cd75a4d28c98c25973e1f137181bdc2a1664a7be
PDF
Publication pagecb105c930e5e17499ab02abd7cf20a296784dfa2386353e9c163eb6aeb21d465
Manifest2b7e80c46e3c83b74188bb3997c1cc9603f0495539bd653a544dc071880540e3

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
SignatureYP52yPiGTb7kxG3gjgJtNJjDOZ3IvCD36juEP6Dt/A7Qr2sID6O4U7hFrvQx6ZDVuVRshhfdui9fNjEcTIwPDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:35.509131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099652
observed cb105c930e5e17499ab02abd7cf20a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.490710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099652/manifest.json
observed 2b7e80c46e3c83b74188bb3997c1cc96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.474118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099652/publication.md
observed 78c887fc5e4c9a4ffd9ef340cd75a4d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.456177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099652/publication.txt
observed b0c16546d46eb06a14d89110b5e37c94...
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.