OpenTechnical

OT-2026-000103138

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000103138) never changes.

Identity and time

Publication numberOT-2026-000103138 · never reused
Internal UUID01a0aea4-be3e-7b13-a132-0362c36c505c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103138
StatusPUBLIC

Content hashes

Canonical textf93039ed98e3db3283133c54886525746c753efe9dfccaf7d1d435619e5911a2
Markdowne29c84625764b420bd66e51b6d60bbfef3fff4c7ab6e6676659a376bb82068e3
PDF
Publication pageaca44fc969f004aebc6723be3f7f717e3f0b0424b6093ac7b9d751eac3fc85ef
Manifestc7d2dcf4569022884c95f2cbd1bcc46f1804b46a26abc0ed9a533f12d10a161f

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
Signatureyk5W/1tSjbFIbEHZOBVnO8dR1y+9pBHI7VbSDvPQY3hX1ajKTDvDuTx9p5nazLUSiF8b7YS1KWKoRFEh7uSrBg==
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

2026-09-17T09:23:16.484691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103138
observed aca44fc969f004aebc6723be3f7f717e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:16.468579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103138/manifest.json
observed c7d2dcf4569022884c95f2cbd1bcc46f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:16.453096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103138/publication.md
observed e29c84625764b420bd66e51b6d60bbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:16.434333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103138/publication.txt
observed f93039ed98e3db3283133c5488652574...
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.