OpenTechnical

OT-2026-000097215

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000097215) never changes.

Identity and time

Publication numberOT-2026-000097215 · never reused
Internal UUID01a0aea1-01ca-7904-8b95-d0ad14f1ead9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097215
StatusPUBLIC

Content hashes

Canonical text487158833e1ed87fdbe423dad90e179ebf4ce28178f4f6c57f8636864c1e681b
Markdown5520a54c87c745d32c3d3051b775b263e14a5275cbdce706bb4c7e5fbe5061f6
PDF
Publication page7d86142b809031b8e8aac8b8be3427327ec3a11dfae697ae681da159fd8950a4
Manifest338ff32ed5d0e856d2f17c43ed0dd0a7a4a53492a8f685e7a10218e5acbe3f17

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
SignatureP0bQAg6Egs93Fgb9qJOeUUvOdpyMG/iwLF+6ivJd7GsHQNQupFPQbcGfwCo3IoPOue2WdpZHxNqrZtHRePD9Ag==
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

2026-09-17T09:33:27.556290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097215
observed 7d86142b809031b8e8aac8b8be342732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.538003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097215/manifest.json
observed 338ff32ed5d0e856d2f17c43ed0dd0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.517828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097215/publication.md
observed 5520a54c87c745d32c3d3051b775b263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.498393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097215/publication.txt
observed 487158833e1ed87fdbe423dad90e179e...
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.