OpenTechnical

OT-2026-000062158

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000062158) never changes.

Identity and time

Publication numberOT-2026-000062158 · never reused
Internal UUID01a0ae8c-0abc-7238-b766-072dd5b97625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062158
StatusPUBLIC

Content hashes

Canonical textf4c106d2ef8e35b5bc6fb7212224326e32b8e927a1ee0f5ed90b8367fb968bd6
Markdownf22aee255a3e41d9a23fc8ae816a918f1ae57f32e4874aa720105cfda3bd8cb3
PDF
Publication page18bf96473d7d2db03edb743a5f4586fa8e1ad9596893e3810309c7482255dbf7
Manifestd12c42867217798de761178c37d545519de9a5fc4a51fb14dfd0331045d6bf90

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
Signaturec8H8vwf3koRrj2f1b87pj+2mJxelyx1N0OtUwSMMZ6q6rX91b/puA7wFADgQYDXp7Hz+xvSqKlMMdfNxWNbPCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:24.573246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062158
observed 18bf96473d7d2db03edb743a5f4586fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.554310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062158/manifest.json
observed d12c42867217798de761178c37d54551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.536345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062158/publication.md
observed f22aee255a3e41d9a23fc8ae816a918f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.519947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062158/publication.txt
observed f4c106d2ef8e35b5bc6fb7212224326e...
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.