OpenTechnical

OT-2026-000101997

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000101997) never changes.

Identity and time

Publication numberOT-2026-000101997 · never reused
Internal UUID01a0aea4-50f1-7034-a643-7fdb60eb37e9 · 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-2026-000101997
StatusPUBLIC

Content hashes

Canonical text294186d415309c297a5c24179c9bf6ca718d2623eafeb4e55bf2dc1ab65514cd
Markdownf9baca8c9e703b1ddb013737cee3abbdfa018569b63169a9dfc02be8cc2a7305
PDF
Publication page5a13f22695af86835fefa3c08eb26de7f93a3992d777293ea93a9afdca818198
Manifest978bcafdcdc7d3ae149b8df8d4fbecd0580a31bd9e9f1919ce25704be1bd938d

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
SignatureLUW37UTLvq6yC0MyJ/kzFi51e9ur1vfqK4KfOmHT97LAjYQp5yFARgiFEtaHWZjpaC/xHToEby+5VgjVMz01Aw==
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

2026-09-17T09:25:07.358562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101997
observed 5a13f22695af86835fefa3c08eb26de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.341230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101997/manifest.json
observed 978bcafdcdc7d3ae149b8df8d4fbecd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.323189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101997/publication.md
observed f9baca8c9e703b1ddb013737cee3abbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.304355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101997/publication.txt
observed 294186d415309c297a5c24179c9bf6ca...
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.