OpenTechnical

OT-2026-000083642

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000083642) never changes.

Identity and time

Publication numberOT-2026-000083642 · never reused
Internal UUID01a0ae98-0416-753b-a587-53813afbf0fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083642
StatusPUBLIC

Content hashes

Canonical textb4e2e0211a04d66e0341c570bfd39c8c03f1f30d391adccddba4c0a7679846cc
Markdown51a9408c1eb376e90b72f51bbf7b45dae535f2c7a0ad2b345c811fbd34581579
PDF
Publication page206c4ea466bba8fc01c0c928d4acdb19b00a2d49ccd64a7995f99abce47bde28
Manifest32b30559f9eecef45731f1542044088cc8b30396a5074b666507fa3e468cfd0b

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
SignatureGmU26ry5YKukNixMJMlx/9nwbPTVcl48SfTboHI8mFotw5UzSqr6PWuY35LWwf2zMP6AmnNtcJwW1zg1z3HAAA==
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

2026-09-17T09:57:15.431999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083642
observed 206c4ea466bba8fc01c0c928d4acdb19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.413823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083642/manifest.json
observed 32b30559f9eecef45731f1542044088c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.397721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083642/publication.md
observed 51a9408c1eb376e90b72f51bbf7b45da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.380341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083642/publication.txt
observed b4e2e0211a04d66e0341c570bfd39c8c...
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.