OpenTechnical

OT-2026-000019398

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000019398) never changes.

Identity and time

Publication numberOT-2026-000019398 · never reused
Internal UUID01a0ae6e-f393-7dd1-bdf6-bad64b5fa545 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019398
StatusPUBLIC

Content hashes

Canonical text37abe13136b1ccca123b19512b1deb7e48b1a79d467debb12293b6bbbabd637a
Markdown05e05c3b88c84576e2388e317a5f61997231d23d08867722656dbbe5e3863902
PDF
Publication pagec0b7438259a64a0bb03dd178ccd5d770c5cd904c786f3a54691d218a32fed14f
Manifestcbcdd9c9a90526a9e4aa72b5634f18a8566fb1d85233f000de7dbf98299f64d4

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
Signature6d/a6zcfioBnM+xQVOc8a13v72LbsxuMGc2JhBT06+dau1KmCx4+tYL6p+dYKkOYScXTxlmE6nwqwSNxBqQ8CQ==
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

2026-09-17T11:58:47.009599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019398
observed c0b7438259a64a0bb03dd178ccd5d770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.991848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019398/manifest.json
observed cbcdd9c9a90526a9e4aa72b5634f18a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.973324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019398/publication.md
observed 05e05c3b88c84576e2388e317a5f6199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:46.953741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019398/publication.txt
observed 37abe13136b1ccca123b19512b1deb7e...
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.