OpenTechnical

OT-2026-000100900

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000100900) never changes.

Identity and time

Publication numberOT-2026-000100900 · never reused
Internal UUID01a0aea3-c376-7794-94a4-579f725b76e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100900
StatusPUBLIC

Content hashes

Canonical textc6b268819db2ae79b3c48d421567cd4f56f57a4173a2fce6e5eb565c57ab5525
Markdownd299beb18f4ba64727085193acab7c706f880f65aaa7955c5f1021feec7bb0cc
PDF
Publication pagea8e76d55043513552bd7c310db929e6a46a512b5594c733646917c14a06d20ee
Manifest096b29abd826cb28039eeaddacde4eb451434c00d2cd3b89a78b5093e6375dbb

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
SignatureBcAWyCEmnBy3ePxkwqZGFgovZxE0BvzYhFXe/Y1bnpqiBkEe36sx5ActndcZMItKKTg+NFsFmyF7P0fIYPiyCA==
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

2026-09-17T09:26:23.741114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100900
observed a8e76d55043513552bd7c310db929e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.716805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100900/manifest.json
observed 096b29abd826cb28039eeaddacde4eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.698466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100900/publication.md
observed d299beb18f4ba64727085193acab7c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.681765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100900/publication.txt
observed c6b268819db2ae79b3c48d421567cd4f...
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.