OpenTechnical

OT-2026-000085953

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained blow-off before set-down

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-2026-000085953) never changes.

Identity and time

Publication numberOT-2026-000085953 · never reused
Internal UUID01a0ae99-e82a-7a0e-8019-ad3460a4995f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085953
StatusPUBLIC

Content hashes

Canonical text3943ecad9c882f7dc31b1644e86e7461e1fd00455a9de1068d9c1269621b9361
Markdown316a0fc066e58c44caf7ed3112e96aebaf9ee1d1ee8c44249186943da912d8d2
PDF
Publication page82ab2aa562482be9679ca8d6ca0edae318aaba78cf44213b0281d39b7302006a
Manifestc9a4679f5b72d2ff1edde694de4826da246404cf68aff114e118adccb0ac96e5

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
SignatureIcO6sHqt0V62njigQmxBUfjJbvWqzr7Zc/OFaD7FUXy6eztoDV+1lB6iDHDBMIGQD6806LOCRlki0nlrTtDuBg==
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

2026-09-17T09:52:54.980677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085953
observed 82ab2aa562482be9679ca8d6ca0edae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.961893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085953/manifest.json
observed c9a4679f5b72d2ff1edde694de4826da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.934846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085953/publication.md
observed 316a0fc066e58c44caf7ed3112e96aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.916254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085953/publication.txt
observed 3943ecad9c882f7dc31b1644e86e7461...
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.