OpenTechnical

OT-2026-000074990

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000074990) never changes.

Identity and time

Publication numberOT-2026-000074990 · never reused
Internal UUID01a0ae93-ac2d-77bc-b55b-9b4cffc59dbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074990
StatusPUBLIC

Content hashes

Canonical textba88aaf8a5237836e99e00e43f77a38a578cad168238c8ef8164843e81dfbb08
Markdown248bae580e1dfbcf2a56003c4836c7d81dd8eebd315ae7dd21cc166442a8d7a9
PDF
Publication page29e2e1a114a35ecc8d75c3d4bacf1318157c0b5ddc2a3878002e7855105e3470
Manifestb611f3ed80679178733c6d3d50638a04bf24f396597b68335e1ee152b2d18d87

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
Signaturek/BGCXiIh8pU1pLAys14jCs+zlFGBe3N6vdhUWQU5gzy1C09lZPG2uts5DzTL5LKZmIW1z2VO+LWntiqMUaqBw==
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

2026-09-17T10:18:47.779844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074990
observed 29e2e1a114a35ecc8d75c3d4bacf1318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.763560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074990/manifest.json
observed b611f3ed80679178733c6d3d50638a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.745813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074990/publication.md
observed 248bae580e1dfbcf2a56003c4836c7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.728530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074990/publication.txt
observed ba88aaf8a5237836e99e00e43f77a38a...
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.