OpenTechnical

OT-2026-000081458

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000081458) never changes.

Identity and time

Publication numberOT-2026-000081458 · never reused
Internal UUID01a0ae96-f375-7fdf-883f-b92dcf7b1205 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081458
StatusPUBLIC

Content hashes

Canonical text175215599f63d930260ab8b23c75e42356972360702f299841933fb9a03d01dd
Markdownf365cc30d43f75502d7dd572a86b2ee32b7eccdd421143cf327743af0219c3bb
PDF
Publication pagee9263b39aac685ab19da0df51d3ae1b8dc38bacbb2cc7479d27a9b1e0baf00c3
Manifest6c471b34fef49016293f24b3b4135a9e8cfeb73e15083bb2f35d54fca9a379c5

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
Signatureaj+KzvwdBn06/0VodIdc1v8tCWLfQozAm9+rOxxZoA9hldGDkKPbaYIn5s/3BE0gyaBS13E3ev1XbLrBxsgCDw==
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

2026-09-17T10:01:37.247023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081458
observed e9263b39aac685ab19da0df51d3ae1b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.229104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081458/manifest.json
observed 6c471b34fef49016293f24b3b4135a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.210711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081458/publication.md
observed f365cc30d43f75502d7dd572a86b2ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.194579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081458/publication.txt
observed 175215599f63d930260ab8b23c75e423...
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.