OpenTechnical

OT-2026-000103516

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000103516) never changes.

Identity and time

Publication numberOT-2026-000103516 · never reused
Internal UUID01a0aea4-e461-7762-a005-5852cc3afb9e · 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-2026-000103516
StatusPUBLIC

Content hashes

Canonical text0737f2900c075714f094538ac19e73e9ad326abc03ef8e801686cc119ce9dcb5
Markdowne6f7dad8c1ca079eb662e61f6d583d3484ffb829bea1d50814f92e6aeeb9074e
PDF
Publication pageb424d72a6aed20aaf59b7dd0a01523c44ccdcd0e88238ceacd46508e586548ec
Manifest5d000bc09ed6207cff1d90afe8d1027549e927c3c3b14c958d4542d7058953d3

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
SignaturewvjDIiE5qq/BuQ2TUwf3W3SYY0uqdkgCWpBTSJOxzZqxulgu7gJbTFts50zcssfppbzBOCD34gWCMUxmR3IKBg==
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

2026-09-17T09:22:17.149811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103516
observed b424d72a6aed20aaf59b7dd0a01523c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.130807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103516/manifest.json
observed 5d000bc09ed6207cff1d90afe8d10275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.112376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103516/publication.md
observed e6f7dad8c1ca079eb662e61f6d583d34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.094262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103516/publication.txt
observed 0737f2900c075714f094538ac19e73e9...
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.