OpenTechnical

OT-2026-000013451

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000013451) never changes.

Identity and time

Publication numberOT-2026-000013451 · never reused
Internal UUID01a0ae6d-6fca-7a1c-859b-6b2e7b26e551 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013451
StatusPUBLIC

Content hashes

Canonical text981be29ad4abb279e8138fe0adbf167bb71826c4f512505658fadf64b9ae1c70
Markdown6605fbc3e7dc82d910079568200bc03a4a2f40b7c7e1be0dd98c39e1a779a79f
PDF
Publication page45c27d4403a45f7398a0b7135a4dbf2d767bdd4470dfdede29fe6c5a263d7e61
Manifest498c8709de95c15a8f00542748e35fccbea3f3455a84c582bfc2c77d43dbf003

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
Signature6u1csMGNsnHqmGORvlHm4hDNgeuMoQ73GCEluNVhYW6OHFYnNZK6sETw3aNicPpHrCxr2vrI9xZOdKlgNlC1Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:56.606371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013451
observed 45c27d4403a45f7398a0b7135a4dbf2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.589389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013451/manifest.json
observed 498c8709de95c15a8f00542748e35fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.571391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013451/publication.md
observed 6605fbc3e7dc82d910079568200bc03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.551069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013451/publication.txt
observed 981be29ad4abb279e8138fe0adbf167b...
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.