OpenTechnical

OT-2026-000027262

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000027262) never changes.

Identity and time

Publication numberOT-2026-000027262 · never reused
Internal UUID01a0ae72-6996-778c-9a9c-0cd92f05e9f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027262
StatusPUBLIC

Content hashes

Canonical text04401e1420cae2c26e9e6b77c7ae14f5c03ec24ba1b8ee4e3c0abd1a4a19e059
Markdownc3ea017801e666a09d4f0d861d1172e20e6629d30901ad1f8338669bc2fa70ae
PDF
Publication pagec99804f6b8e5ef48cdaf94b8b7ecb7492696fe90c55e2bf09ff93819d1406853
Manifestb9b69c64f55f9b082f73033e15349fbd6fbeecea542cad86da98352428f4eb06

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
Signature5pWF4Az2sty/RqZF7SGmsfw5IxZrJzdKcQooRhBr3LV8rIQnfc4Fq1JvL4GHQoamT9yAgcbMAjSbl/aZvvTOAQ==
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

2026-09-17T11:42:38.062302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027262
observed c99804f6b8e5ef48cdaf94b8b7ecb749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.044758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027262/manifest.json
observed b9b69c64f55f9b082f73033e15349fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.026503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027262/publication.md
observed c3ea017801e666a09d4f0d861d1172e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.008991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027262/publication.txt
observed 04401e1420cae2c26e9e6b77c7ae14f5...
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.