OpenTechnical

OT-2026-000023968

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000023968) never changes.

Identity and time

Publication numberOT-2026-000023968 · never reused
Internal UUID01a0ae70-aed6-7fac-98c8-ddf0a0347542 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023968
StatusPUBLIC

Content hashes

Canonical text3dc07d6a7419ee4b307e059e39b422c905bb668e0e342dd6f0ebc4b7c4c30dad
Markdownc5bc9db6bb54b8e76f91d3f4aecd8648c8974e200f57698d51a0ba0281503472
PDF
Publication pagedabb6a1587b1fdd868310baba7a44b5bd0539889abd79307a7015e2a7dc87d86
Manifest767d44bba5c4a100df207574bcb73fe44e58b91f68e2656eb2289533bbb02453

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
Signature5vaUfVahhJfwUh/eNAZqGZFYsrwxf8Fe8r31BDuIHEh87RII41N+k8QmLFTAbZQHllVFDTpF3zuHj+0mlyIoCw==
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

2026-09-17T11:50:43.753776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023968
observed dabb6a1587b1fdd868310baba7a44b5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.735199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023968/manifest.json
observed 767d44bba5c4a100df207574bcb73fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.715534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023968/publication.md
observed c5bc9db6bb54b8e76f91d3f4aecd8648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.697898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023968/publication.txt
observed 3dc07d6a7419ee4b307e059e39b422c9...
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.