OpenTechnical

OT-2026-000081585

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, sustained blow-off before 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-2026-000081585) never changes.

Identity and time

Publication numberOT-2026-000081585 · never reused
Internal UUID01a0ae97-0f71-7a51-956c-6df5c24fe610 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081585
StatusPUBLIC

Content hashes

Canonical text28deabee7febdba66e3e0aeae0f34f888ee67e9559fc565382c7b9011cddc35f
Markdown585bf3c605fc02410a4d7d6a01a333e014be9440bc301d2cfd537f4598739b80
PDF
Publication page08c55f76b12a4468ee949ebb5c7d0428c075e34239f11a30db6740fb65597502
Manifest7d42efa9bf15c9b4e949e75ce4bff2c7faaaea6f12a37993cc1e37ecd805556e

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
SignatureXsgw+J2+s9YOW6yTQakGR0lchHzZ00p89ylzT+nsNbOLS9IMAxIibmJq8AvJE0lSrME+V7UKdTr7NusE8S/iBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:37.185558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081585
observed 08c55f76b12a4468ee949ebb5c7d0428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.168393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081585/manifest.json
observed 7d42efa9bf15c9b4e949e75ce4bff2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.151582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081585/publication.md
observed 585bf3c605fc02410a4d7d6a01a333e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.132995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081585/publication.txt
observed 28deabee7febdba66e3e0aeae0f34f88...
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.