OpenTechnical

OT-2026-000025254

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000025254) never changes.

Identity and time

Publication numberOT-2026-000025254 · never reused
Internal UUID01a0ae71-5fa6-7a0d-8d69-94105d79fc04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025254
StatusPUBLIC

Content hashes

Canonical text294d051d01fe88dcdd5ee466fc7b5e4704cb1c7dac201b269a8b911ff64bdfba
Markdownbcdbc02bb2f918bcf892c028142290019e4de7ec2df9e7c16ab63ab2822bf44e
PDF
Publication page7299ab5a04fb273409da32a6334daf58475defbbf9d612fa5f45c25cf8952a89
Manifestd7068d56124c91e164472f4a89fe13c843219753ed958881b20d1e114fc68bab

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
Signature6i2jmqDTEuJljf0IV2rYRwGOXdfUlmpkdnmrIWplNz3mpH8DJiSxHcrNaRsLvnVQzJeSexbXEPBSpDQKwSN2AA==
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

2026-09-17T11:47:15.666928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025254
observed 7299ab5a04fb273409da32a6334daf58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.649782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025254/manifest.json
observed d7068d56124c91e164472f4a89fe13c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.632376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025254/publication.md
observed bcdbc02bb2f918bcf892c02814229001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.613633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025254/publication.txt
observed 294d051d01fe88dcdd5ee466fc7b5e47...
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.