OpenTechnical

OT-2026-000013796

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000013796) never changes.

Identity and time

Publication numberOT-2026-000013796 · never reused
Internal UUID01a0ae6d-8de9-7e42-b970-fefe99793109 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013796
StatusPUBLIC

Content hashes

Canonical textf8713fdb0347ccae9ff84bed5ff38bedc8ae70462f4ecd34517e1d42764da021
Markdown8bd3701f5205878c104b421cf6428b22b1b260e3583acf0bca246d016654a4f2
PDF
Publication pagea437706cf5f1ce79403ffda3a407244a5aaf4598387496d5a47135a3abb5fd9b
Manifest59718924d81d39cc04351d728e4816688f13dfe2f219e4d3861724f46981b36a

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
SignatureCKxMofuLdU/93++r+PAH2JrR3nlCY4dvwu8s5mjZAIJNScdJau4ntXNRdHljCC+QRfd+S5rDj/x0okXBSkY8DQ==
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

2026-09-17T12:08:53.174615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013796
observed a437706cf5f1ce79403ffda3a407244a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.156714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013796/manifest.json
observed 59718924d81d39cc04351d728e481668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.137508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013796/publication.md
observed 8bd3701f5205878c104b421cf6428b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.117029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013796/publication.txt
observed f8713fdb0347ccae9ff84bed5ff38bed...
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.