OpenTechnical

OT-2026-000102186

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102186) never changes.

Identity and time

Publication numberOT-2026-000102186 · never reused
Internal UUID01a0aea4-50f3-7191-96b8-c4b6f04f4b8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102186
StatusPUBLIC

Content hashes

Canonical text666d26cb2ed7a7965a90b2d07a1edc7374cc61346bf65cb6c4f82698c6947d19
Markdown3bdb9cc3c59077280b3b237fefd8ffb702ed49b37617eceb8a99427d516a15e5
PDF
Publication pageb94af9d98d65235889784710672acf7843254998729087ccf7d7e7faa3c23e10
Manifestab2699de0f5977b4bca6be4840129ce9bfe19f07e0f3d8fe8b9232e32bc28358

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
SignatureKyKRyyOzQACidbxXaVFlwQ1r3MvPCD93hDqfbAxNqYl0eMdrV/IOM+VOF0R95v6NjNqV4qKtCLSkp6oM6UryDQ==
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

2026-09-17T09:25:21.532401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102186
observed b94af9d98d65235889784710672acf78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.512765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102186/manifest.json
observed ab2699de0f5977b4bca6be4840129ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.495341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102186/publication.md
observed 3bdb9cc3c59077280b3b237fefd8ffb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.476924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102186/publication.txt
observed 666d26cb2ed7a7965a90b2d07a1edc73...
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.