OpenTechnical

OT-2026-000024873

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000024873) never changes.

Identity and time

Publication numberOT-2026-000024873 · never reused
Internal UUID01a0ae71-2727-7e9d-a524-dcec08ed6377 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024873
StatusPUBLIC

Content hashes

Canonical text5d42023a20b420a35c61e56b816220d57f75b5030620bdb360145c95681354b7
Markdownc2d9511098609eaf132983148faa3de5fe080757263269a21eff5496827741f3
PDF
Publication pageb2108e7a1147ca2d33a3865df20db03d483401d79c124f4cedc2d79749f8f87d
Manifest32dbc08cf8792cb89b8c86cbb854065249960f9dd8c12075458daeecbcd859b8

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
SignatureogTHiiZlscDQqamBr40ne82AxTWzTEEVhcNrCMf3X7qBE/5kP0ZqZ3SB3NR0UTtQSUNgKIdSn3vN9t2iN2EgCQ==
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

2026-09-17T11:48:11.437598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024873
observed b2108e7a1147ca2d33a3865df20db03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:11.420614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024873/manifest.json
observed 32dbc08cf8792cb89b8c86cbb8540652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:11.403733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024873/publication.md
observed c2d9511098609eaf132983148faa3de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:11.375034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024873/publication.txt
observed 5d42023a20b420a35c61e56b816220d5...
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.