OpenTechnical

OT-2026-000103749

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000103749) never changes.

Identity and time

Publication numberOT-2026-000103749 · never reused
Internal UUID01a0aea4-e462-7075-a020-71a8451a08d3 · 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-2026-000103749
StatusPUBLIC

Content hashes

Canonical text9a91d65bdefb798d29de0bde82058c849d686c970040c61703ec38f17f7d3b78
Markdown3372d58be5ebcced6b4f185b641392dac6b2bf3fb46352e828f97c24828e0699
PDF
Publication pagea20ab5a7c2cf443655ac593ad5c01df826b72c4cf631dc58c2251764b48daa12
Manifest67ce41ac70eb3fe427300d9ebdece88d8261d0968ea0076da32793711736b22b

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
Signature+7fU2Ab1vY+SERl/TuF0ekW48Qgh/JJdrDmBgYberkNaFT2kFH51J/AMtmrgeKh4G/rMQO0GZCzp+Q7Jj/7FBw==
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

2026-09-17T09:22:42.143575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103749
observed a20ab5a7c2cf443655ac593ad5c01df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.127783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103749/manifest.json
observed 67ce41ac70eb3fe427300d9ebdece88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.112167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103749/publication.md
observed 3372d58be5ebcced6b4f185b641392da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.095669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103749/publication.txt
observed 9a91d65bdefb798d29de0bde82058c84...
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.