OpenTechnical

OT-2026-000103456

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000103456) never changes.

Identity and time

Publication numberOT-2026-000103456 · never reused
Internal UUID01a0aea4-e460-7ed5-93e1-d8417f78f62b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103456
StatusPUBLIC

Content hashes

Canonical text5d7010507c78668e1001add486d12d4d8d538350522247ec3328efe5e64e94fe
Markdownb7311ae6513b788c680eeeaaae4bbc55e096238d375976df1dc369a73829af50
PDF
Publication pagefe86ac9c28d44e8536d0289a4207f873291d734f4955ae9dd446c2af6bffe627
Manifest7b9ef727e60c4c9f8446f0c493ffac086c129d06baa076bbba031378fb2dec31

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
SignatureOz78nze/eOl8JfToouehuCWei1ni1QlsJXC7qfuLG0lYyNSlpL9juwwVA2TsJ4bz9xoFy282XQ+ICLfMd05aAQ==
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

2026-09-17T09:22:12.745006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103456
observed fe86ac9c28d44e8536d0289a4207f873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.728970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103456/manifest.json
observed 7b9ef727e60c4c9f8446f0c493ffac08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.711614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103456/publication.md
observed b7311ae6513b788c680eeeaaae4bbc55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.693875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103456/publication.txt
observed 5d7010507c78668e1001add486d12d4d...
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.