OpenTechnical

OT-2026-000099635

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000099635) never changes.

Identity and time

Publication numberOT-2026-000099635 · never reused
Internal UUID01a0aea2-c976-7f34-903f-87e123d40349 · 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-2026-000099635
StatusPUBLIC

Content hashes

Canonical text199da743840074f285f055fa3802117e0d4b86fa9797f0943f5994532f3fa12d
Markdownc73d9f01bae038601e2896bffef3dfef5df0c12d3c78335de5035b68831167b8
PDF
Publication page0a3e0b8d1b8c2efca307a879026e7e5141671706f54deaae3511f69eb86c2bea
Manifest6a2dbf9473a68ea7d155e591fb08c29e959f0948b8046c771fac7493a8fe182b

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
SignatureE93mQTF3sRTRGiXVoaXJGvw1iHqCsPaYF5YOiQJl+qbpFEN/ZR1f+uAxO76vjkscclvmqSWkO8YMtMhRAagPBw==
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

2026-09-17T09:29:34.325251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099635
observed 0a3e0b8d1b8c2efca307a879026e7e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.306705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099635/manifest.json
observed 6a2dbf9473a68ea7d155e591fb08c29e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.286134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099635/publication.md
observed c73d9f01bae038601e2896bffef3dfef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.268124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099635/publication.txt
observed 199da743840074f285f055fa3802117e...
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.