OpenTechnical

OT-2026-000013383

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two 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-2026-000013383) never changes.

Identity and time

Publication numberOT-2026-000013383 · never reused
Internal UUID01a0ae6d-6fca-7b62-b25d-96f2ebe8a522 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013383
StatusPUBLIC

Content hashes

Canonical text16e0b73b751317eadd8e0c3d3b9d86f9375d44693ebadeaccac9e4f17eb97f82
Markdown8e9cfb22f9e3af01034a346ff0aa36fba108a96533396aa2b153badcebc8256f
PDF
Publication page6bd27384d46438545c541fb3f341591d1ea539b36981d2ab4fe732c71bc14b64
Manifest22ac59dc97d99ab274e8dc96fe4a96e43b09f6e7d842c64b9967f1196dae9f15

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
SignaturecBO+DkCr2OIoKGZVU7p8JU4P7M+Nt1Cj2f0iWd0lx9HsWLef7WME9SOmOWZJ3BWJq2T2HeZvvLCfi71eOOJxAA==
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

2026-09-17T12:09:51.094010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013383
observed 6bd27384d46438545c541fb3f341591d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.076084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013383/manifest.json
observed 22ac59dc97d99ab274e8dc96fe4a96e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.056207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013383/publication.md
observed 8e9cfb22f9e3af01034a346ff0aa36fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:51.033505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013383/publication.txt
observed 16e0b73b751317eadd8e0c3d3b9d86f9...
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.