OpenTechnical

OT-2026-000102457

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off after 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-2026-000102457) never changes.

Identity and time

Publication numberOT-2026-000102457 · never reused
Internal UUID01a0aea4-8589-7a77-b901-21a08f7c146f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102457
StatusPUBLIC

Content hashes

Canonical textfa05d4a53ec3573b2b950aa18b6e83aed42c9250a6b7fcefd893508b1db3907b
Markdown282b96cce8cc8abeeea0d6049b4e5415092e2d8c845243f3d60d14f9009eeaaf
PDF
Publication page6d53e6595ab6f7a4dd6e23a9e3014d4a2011b750fadade2934c0c0d7ef030b90
Manifest33e84a87f01014a7782256062cf6dcd069d24fcb7deec3ded4016b17a7fb61a4

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
SignatureVFW4j2R37kdqmE07u07BHpwXuvv2CVpoRt7aQVW9Palpl9AWIf03lxLfdvpYKaH5bVzXs0mfdyTfTajhGSnpDA==
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

2026-09-17T09:23:48.453386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102457
observed 6d53e6595ab6f7a4dd6e23a9e3014d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.434208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102457/manifest.json
observed 33e84a87f01014a7782256062cf6dcd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.416015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102457/publication.md
observed 282b96cce8cc8abeeea0d6049b4e5415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.396389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102457/publication.txt
observed fa05d4a53ec3573b2b950aa18b6e83ae...
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.