OpenTechnical

OT-2026-000080882

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000080882) never changes.

Identity and time

Publication numberOT-2026-000080882 · never reused
Internal UUID01a0ae96-b974-76e9-a7f7-08400e8610ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080882
StatusPUBLIC

Content hashes

Canonical textc8d34c5449acb2e8cb1dc16ec99e0ab67c86184f3bfcdf0eafb2a934394cc740
Markdown2c04aa7de2b672d35f6b08bd65a08ee075bd8f0a5dbb9984ab822dc79e0aad40
PDF
Publication page3dc9fd2ebbc930b37a1d4d43831fdffdb06f5f4b3ae8607757c0bff8c9eeaed1
Manifest067e7c8510594b3b3ecb6814891326fc6bea37de2e329153aab272f37960f285

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
SignaturefB4nufbwzTHgJfWHfRv35iM3kuI6J5ZrnI7t3XQsCGdlUA26DCDDe6/zcWMfDv6Fv3RUleAxR5XGGw1sswtkAQ==
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

2026-09-17T10:02:04.944081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080882
observed 3dc9fd2ebbc930b37a1d4d43831fdffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.924858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080882/manifest.json
observed 067e7c8510594b3b3ecb6814891326fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.906865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080882/publication.md
observed 2c04aa7de2b672d35f6b08bd65a08ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.889294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080882/publication.txt
observed c8d34c5449acb2e8cb1dc16ec99e0ab6...
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.