OpenTechnical

OT-2026-000013996

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000013996) never changes.

Identity and time

Publication numberOT-2026-000013996 · never reused
Internal UUID01a0ae6d-8dea-73df-afa4-d89e81cd2ffa · 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-2026-000013996
StatusPUBLIC

Content hashes

Canonical text9ccc6b2ace9c1721108ce21c3dfd308308829588ed26acc61a50c300db67254c
Markdown16be3e14ad0477f76acdd27f15d9670876efcacf86792fd18d1b56aa9bf061f9
PDF
Publication page2b798aaf3f4f6be934450e5156dbe599b6000b8cda039424b5a0ffac1c89df4c
Manifest11aaec11fdc5dd53f3e1357f8679e4002be5f82650470a1c795c0f2b45672399

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
SignatureBp/nL9jnhwXSr5HCmyW8v2EuNPnrxno/9A3B2X3avanVIJj/LFDc3MLMkBQGSPZ5Z/Z4wvpYQThiQpyds67HBg==
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

2026-09-17T12:09:12.964409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013996
observed 2b798aaf3f4f6be934450e5156dbe599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.945839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013996/manifest.json
observed 11aaec11fdc5dd53f3e1357f8679e400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.927304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013996/publication.md
observed 16be3e14ad0477f76acdd27f15d96708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:12.908624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013996/publication.txt
observed 9ccc6b2ace9c1721108ce21c3dfd3083...
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.