OpenTechnical

OT-2026-000045138

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000045138) never changes.

Identity and time

Publication numberOT-2026-000045138 · never reused
Internal UUID01a0ae7c-f769-7373-a051-32a472e6396c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045138
StatusPUBLIC

Content hashes

Canonical text2517610a110db4bd34fa8dbd630ea6ccd54d91d01a1cd44fa329c7482a2ade67
Markdown5a2fccf984525533b7ae90d46bca872cdb626f13a6bdc0f2f368c8aa83a5ffd0
PDF
Publication page8aff7864904d3ada1d161c7517384e0876205f8d03e0e7881da25e01fe9f9b4f
Manifest77d0044087283a1c3c65f179cdc1e59fc24fd7a413ee956668cda59121af1484

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
SignatureP561xjf4sT2p7mnI8UM0szTgUtU3w/3iAkGgU0aFIS6EZdFyWFZC2FjZM8cabId8gWSFyXAfWxQV3yDXWUKFAA==
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

2026-09-17T11:10:17.361130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045138
observed 8aff7864904d3ada1d161c7517384e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.341941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045138/manifest.json
observed 77d0044087283a1c3c65f179cdc1e59f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.323663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045138/publication.md
observed 5a2fccf984525533b7ae90d46bca872c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.304842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045138/publication.txt
observed 2517610a110db4bd34fa8dbd630ea6cc...
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.