OpenTechnical

OT-2026-000080573

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000080573) never changes.

Identity and time

Publication numberOT-2026-000080573 · never reused
Internal UUID01a0ae96-7e79-70ac-b622-dd0559e93a83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080573
StatusPUBLIC

Content hashes

Canonical text314e05f338583c2079cef513f1886a50592aa41134f991e3b8ab44b37e4c3fee
Markdown28f3259ddcee383d9a2e28f69e26a25d153d7486975ced5a283dcd96771b52b2
PDF
Publication pagea671b71557d110621e9c1c2d16b202b2387673c366b08f1402e5fbdd1fd5900d
Manifest6dea1c70d934c978617680f4bb369353b68509321483cae0b3032e1f18d62839

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
SignatureJDUJDOuqhnmUuqMU90aWX9PdRFhnwIjf0rNs/UumVCLec0eDRGP2RXTKyRGFwiQkiiTHnqpNgFO3ui38AwQYBg==
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

2026-09-17T10:03:12.403234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080573
observed a671b71557d110621e9c1c2d16b202b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.385033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080573/manifest.json
observed 6dea1c70d934c978617680f4bb369353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.369356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080573/publication.md
observed 28f3259ddcee383d9a2e28f69e26a25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.351228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080573/publication.txt
observed 314e05f338583c2079cef513f1886a50...
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.