OpenTechnical

OT-2026-000100412

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100412) never changes.

Identity and time

Publication numberOT-2026-000100412 · never reused
Internal UUID01a0aea3-66ef-71ce-a063-f6b525a012e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100412
StatusPUBLIC

Content hashes

Canonical textdcb7ae7e25b1bb3684176dbe33ffcc8083f32dd8d33a7d4deed2c40dc3d78ad4
Markdownee1da2b9e0b1f86a2eb5179a5d70c5863285892cfa3ceb3d989280953aba93f4
PDF
Publication page1572eaab635f441163ccaff4881fcd77d8a778e249b86e2c08ab0f492ea2cbe9
Manifest67e7d915453d778fa521185b1ac80d48e5f721165c0fbd064d19215b31bd929f

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
Signature8tERQpPRdnCqsk5ukbrEALNZ/uOWeE86XLDiH4LIxygtFFEeZBEVxMunCA2E+H0NpBjwPU0znXaYG/DkZ6YUBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:09.143614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100412
observed 1572eaab635f441163ccaff4881fcd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.126958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100412/manifest.json
observed 67e7d915453d778fa521185b1ac80d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.108277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100412/publication.md
observed ee1da2b9e0b1f86a2eb5179a5d70c586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.092628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100412/publication.txt
observed dcb7ae7e25b1bb3684176dbe33ffcc80...
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.