OpenTechnical

OT-2026-000103851

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000103851) never changes.

Identity and time

Publication numberOT-2026-000103851 · never reused
Internal UUID01a0aea5-15e6-7a15-8bbf-0f0620381596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103851
StatusPUBLIC

Content hashes

Canonical text6f8e6ab7186ca294831be84027594f86e2c3ca0dcb3116d6d511f947e675974e
Markdownb86f42b4259d6f19f9323f3f40ed08bd2ca08d262a4deb494adf1f5f7095d9ea
PDF
Publication page02506deb4c6369dc2fe5f8edba16c574918d7abf16486744a890ddd5c083f8fc
Manifest67d6b6bc6630f29021b1f1441b6ee657d0088e19c5629fc831080c4157b06839

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
Signature9Qn2PuhdEwVXg/YwrxLOMqOoEC5pQelIV8O5f5JYoRD00KqF3uHk4+jCWvlitTPYM452Vg24hhuDdZIzil1bCQ==
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

2026-09-17T09:21:49.881349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103851
observed 02506deb4c6369dc2fe5f8edba16c574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.863573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103851/manifest.json
observed 67d6b6bc6630f29021b1f1441b6ee657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.846119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103851/publication.md
observed b86f42b4259d6f19f9323f3f40ed08bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.828934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103851/publication.txt
observed 6f8e6ab7186ca294831be84027594f86...
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.