OpenTechnical

OT-2026-000104398

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off 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-2026-000104398) never changes.

Identity and time

Publication numberOT-2026-000104398 · never reused
Internal UUID01a0aea5-3421-7e11-b888-e526c93178f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104398
StatusPUBLIC

Content hashes

Canonical text011bc2b39cd02d625fc26e01e9f569d86718f806a0b87d1b4b1fa4b97690df8e
Markdown59c91404e47ea714c4bb21b3d9d5f457ec6830edeba972e296c05b4f67a8355f
PDF
Publication pagee336c001ffc4134bc5a4f382bf03c272cd76e443047757d8450f6d01df666875
Manifest7d4e1c391948811f8012b25dab5265dd47773fbcc67034ef2e63231a1b7dea73

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
SignaturexaZfkUr0cXQnWohDI91FDK1XhqWFREax8vNW9CBsLV9AFE+LGh+IrvEbkVWVSDDMO8DThG3x0SnbBq8gBCbxAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:40.001446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104398
observed e336c001ffc4134bc5a4f382bf03c272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.983505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104398/manifest.json
observed 7d4e1c391948811f8012b25dab5265dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.965108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104398/publication.md
observed 59c91404e47ea714c4bb21b3d9d5f457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.945916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104398/publication.txt
observed 011bc2b39cd02d625fc26e01e9f569d8...
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.