OpenTechnical

OT-2026-000021662

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000021662) never changes.

Identity and time

Publication numberOT-2026-000021662 · never reused
Internal UUID01a0ae6f-bb59-7f80-8cab-5eee5051407b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021662
StatusPUBLIC

Content hashes

Canonical text698108dd93f5ac4e011931bfd70855cd95040cdcb648f1f1d8ffc5e45de1b0f6
Markdown7cc6314c9de7e686538074b81fec81771e57386f525c287b232c042cbfb63ba9
PDF
Publication page851cb0cbd8ed16be243180970df47d7dc1f45649193aaba61fbff18711dcfc1e
Manifest75ea8212ba261544eaa9d714a77f39acb48778e3120a595152e9412a2202c7b8

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
Signature/WL6iQQgQgen6DXoubZbavplvPkk43PCGxm1Rmt6pdHxKnug81tckX59paG+K/GNug5b3a0MF/O9BcgR92DiAQ==
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

2026-09-17T11:54:11.851025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021662
observed 851cb0cbd8ed16be243180970df47d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:11.834889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021662/manifest.json
observed 75ea8212ba261544eaa9d714a77f39ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:11.813208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021662/publication.md
observed 7cc6314c9de7e686538074b81fec8177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:11.766592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021662/publication.txt
observed 698108dd93f5ac4e011931bfd70855cd...
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.