OpenTechnical

OT-2026-000015485

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000015485) never changes.

Identity and time

Publication numberOT-2026-000015485 · never reused
Internal UUID01a0ae6d-ef4a-78d5-81cb-c4cf3ad9cd49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015485
StatusPUBLIC

Content hashes

Canonical text6aa9d96746d0bc01e398f000393e1e59a7cb0f8d456f1c824393489648089d08
Markdowndcd64650ffe9d62496b11ed4d8b6309ec7fcb0aabbad4e22a2c7c1b36cccd68a
PDF
Publication pageb9a5dd461559dd5c3c39338c2f7f5418134331762a6a8b33c7690f003b10d627
Manifestf24e9eddf973e5814b1ab3f339a75ca310f8293c5d6fe7911ff096aed0c9673f

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
SignatureG4toMB8pFurfuZqTlpZmAfCJZEQVhAnKjCNspqL15t+opAz5dZj113oQkA3suzJijVVYNBNo0ve0NwLbZ6EeDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:14.837423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015485
observed b9a5dd461559dd5c3c39338c2f7f5418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.817271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015485/manifest.json
observed f24e9eddf973e5814b1ab3f339a75ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.798759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015485/publication.md
observed dcd64650ffe9d62496b11ed4d8b6309e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.778528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015485/publication.txt
observed 6aa9d96746d0bc01e398f000393e1e59...
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.