OpenTechnical

OT-2026-000022662

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000022662) never changes.

Identity and time

Publication numberOT-2026-000022662 · never reused
Internal UUID01a0ae70-46e9-76cb-987f-2b8cf68cfafb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022662
StatusPUBLIC

Content hashes

Canonical textd36b0613ae434cebb240fdd1eb67385f3cb7e03248ea534c44f4ae554744c724
Markdown43ab3544b0b85a34af3a67ab88e4fb19c0c6b78356cd0b83d98f37b77dd4f77a
PDF
Publication page9a61b3fde6e8f0342ffc38bff90de9d738a68d97e1453fb92d34b42ddef3578e
Manifest7f18a11fae0cda7e94578991e342b8085ef817ab821dd358865983914f9b6008

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
SignatureI6Oum8LM5h3GVXhE5FCMcI4ZirGoCkVJuQUkjWDjjD+mP++fQg/t4ziTuk7Wne8kO/afBOMsgs1pMKG0+pTtCg==
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

2026-09-17T11:52:02.736284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022662
observed 9a61b3fde6e8f0342ffc38bff90de9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.717191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022662/manifest.json
observed 7f18a11fae0cda7e94578991e342b808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.696357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022662/publication.md
observed 43ab3544b0b85a34af3a67ab88e4fb19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.678561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022662/publication.txt
observed d36b0613ae434cebb240fdd1eb67385f...
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.