OpenTechnical

OT-2026-000014069

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000014069) never changes.

Identity and time

Publication numberOT-2026-000014069 · never reused
Internal UUID01a0ae6d-8deb-715b-9adb-76a038dc9d8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014069
StatusPUBLIC

Content hashes

Canonical textb5ae1754912ff30243430942b3d9c56b9fdb4732409faf0c90a6b960ba296a20
Markdown21fb37f4d8a88209318902d11dcf7a71a18c48dac2e4ac767da5aaa3670c6c4f
PDF
Publication page94c970ba63e49d74e93b7cfe24114c7f8a6b07ffd3a6cd2e21616931a7dbd14b
Manifestdc9540c75b412cfa3232022127f28cd28dd31d2f0f142d2a95df70f8968d0d2b

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
SignaturexWDwFTIKr0ANOzSs2EtplmrtoORjkck8HcrUFPvhEIvM9ApTjy0+5JoUvjrcUuOifIUMOfbva4eV95gR84LlCg==
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

2026-09-17T12:09:18.976406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014069
observed 94c970ba63e49d74e93b7cfe24114c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.955268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014069/manifest.json
observed dc9540c75b412cfa3232022127f28cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.935288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014069/publication.md
observed 21fb37f4d8a88209318902d11dcf7a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.914237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014069/publication.txt
observed b5ae1754912ff30243430942b3d9c56b...
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.