OpenTechnical

OT-2026-000076557

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000076557) never changes.

Identity and time

Publication numberOT-2026-000076557 · never reused
Internal UUID01a0ae94-b06d-7d90-ad73-aa51e8d8dddc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076557
StatusPUBLIC

Content hashes

Canonical textf8e1a48d599acf3b0763eb115f7ceeb4c0aa8e38a183b570155dda95398bec73
Markdown397db270a545902ad112306dd8722d01d44787fb7a49d0406235c74529fc3386
PDF
Publication page59e761def9607df22e21ff5e81f6b2489089b086fbacca518bc68cce5c54a609
Manifest586c32b4e4b98c10e56c4b9f61c59753d6194099b751b9771cad0b5ee90e82fe

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
Signatureo5uzEI0GHd/UESNtumG/dGb4h/psYi2tzGKYjEjjHRzMHdk7omYSaxFq7EqFX4i2pzWPLVgunX/g4Ua+q1wWDA==
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

2026-09-17T10:09:16.465851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076557
observed 59e761def9607df22e21ff5e81f6b248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.432392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076557/manifest.json
observed 586c32b4e4b98c10e56c4b9f61c59753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.412879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076557/publication.md
observed 397db270a545902ad112306dd8722d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.391111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076557/publication.txt
observed f8e1a48d599acf3b0763eb115f7ceeb4...
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.