OpenTechnical

OT-2026-000023436

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000023436) never changes.

Identity and time

Publication numberOT-2026-000023436 · never reused
Internal UUID01a0ae70-7268-7c7d-8081-fb852e8162ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023436
StatusPUBLIC

Content hashes

Canonical texteef53a8fcf4e827d2dbf086fb3e4a47709daeaf527e1ceb33d16809ebd935151
Markdown7c73649428c661749c8764aafd39f23998a7d5c1773175e33635959f09349994
PDF
Publication page68b6421e5258bbb1ed385ee640d07315758f6887341b44cea4a003aaa4560e1c
Manifest07832447ec2124a62d12c70eb1b8862c42f9e21f69e75ac202837853c83829b7

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
SignaturexkR9F/EwGBBmRMIJAF8PaVqFck78JlEL4HTDSgsOhrKmJBare7OArVrOfQm9pT7D5sUodujPVPPfgL1LlcLdCg==
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

2026-09-17T11:51:38.999773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023436
observed 68b6421e5258bbb1ed385ee640d07315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.982806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023436/manifest.json
observed 07832447ec2124a62d12c70eb1b8862c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.964561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023436/publication.md
observed 7c73649428c661749c8764aafd39f239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.946869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023436/publication.txt
observed eef53a8fcf4e827d2dbf086fb3e4a477...
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.