OpenTechnical

OT-2026-000102920

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000102920) never changes.

Identity and time

Publication numberOT-2026-000102920 · never reused
Internal UUID01a0aea4-be3c-77b5-bfd3-b5f4f93f8e87 · 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-2026-000102920
StatusPUBLIC

Content hashes

Canonical textfd73a389c6845aa4f733edad3830805cb5beeec2e525252493ac6eff04f5d182
Markdownd0da9a5f83c70398d813c9e556b30371e7e4020c7bd8ff28a5ce7be873eb6c8e
PDF
Publication pagef187c7ba82b86ae88639ca2838301d321c82a6ed2262756856a95fea6a456cc2
Manifest75a302667200b585abc841f77f9ba3600d778e06ec41191d3ff38c64d049b9a7

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
SignaturemkYwMRjimsNOe3MZHXYpzFtiePg8LT1wYViode0YPlmXDcpZ9F+z388DU5ptp92NWkuvcksJx7SeAZMSvpJqDQ==
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

2026-09-17T09:22:56.205850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102920
observed f187c7ba82b86ae88639ca2838301d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.184125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102920/manifest.json
observed 75a302667200b585abc841f77f9ba360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.163884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102920/publication.md
observed d0da9a5f83c70398d813c9e556b30371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.144935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102920/publication.txt
observed fd73a389c6845aa4f733edad3830805c...
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.