OpenTechnical

OT-2026-000100378

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000100378) never changes.

Identity and time

Publication numberOT-2026-000100378 · never reused
Internal UUID01a0aea3-66ee-7c59-b5b4-6056d7e1824a · 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-2026-000100378
StatusPUBLIC

Content hashes

Canonical text5699efd77758de3023d15aab27d0306ce8171da6a7d0d5b25bb733e504b1603c
Markdownf39eb1ec8119ba2e26217479365fa64ec7bdd6f9d43e4cc7de43d1c903c499c9
PDF
Publication pagecf0f387aa835cc8c15dc7c753ad9faa6a91930793a3a9b791ea02b0f13f1b569
Manifestfa8b9f4669fc78d0c866a694dde88d7cdd329ed91c942024d30c3afdc151712e

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
SignatureU8dAnw/Xaeuxp93sPyMwEG4VjVDiBqjQq/UzUZznobjgLpBrMFZdmnnmnAbOPHs8DPbfo7QGJ23T2NL5nd4ECQ==
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

2026-09-17T09:27:06.499038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100378
observed cf0f387aa835cc8c15dc7c753ad9faa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.480935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100378/manifest.json
observed fa8b9f4669fc78d0c866a694dde88d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.463428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100378/publication.md
observed f39eb1ec8119ba2e26217479365fa64e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.445574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100378/publication.txt
observed 5699efd77758de3023d15aab27d0306c...
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.