OpenTechnical

OT-2026-000085509

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000085509) never changes.

Identity and time

Publication numberOT-2026-000085509 · never reused
Internal UUID01a0ae99-aaac-705b-a6c1-6c00251a4603 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085509
StatusPUBLIC

Content hashes

Canonical text1370f3f82f388dd14b16b7a2de99510474e23b404cabbda3cdcc40e4cd08631f
Markdownab86195064e4378d17823032612e07e42648046e7cba96bf0a787945350aa19e
PDF
Publication page73a3f4aa6cc088fd9bfefd0cc7df60a632e4216f96a0c4d10a019ce849c2abf1
Manifest94a36e5f0ca46ee336ee5791cd2f61ed8890fe8427400e588eb38dea01c54ecb

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
SignatureaHG7pvUSosAo7YDerufStghiv0r4kW2aSUPSA/CyWm7gtNURTFZB0v3yLTKcQ1WiKx4TCd2urPmF3nbgOxgHDg==
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

2026-09-17T09:54:18.943634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085509
observed 73a3f4aa6cc088fd9bfefd0cc7df60a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.926765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085509/manifest.json
observed 94a36e5f0ca46ee336ee5791cd2f61ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.906171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085509/publication.md
observed ab86195064e4378d17823032612e07e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:18.886789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085509/publication.txt
observed 1370f3f82f388dd14b16b7a2de995104...
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.