OpenTechnical

OT-2026-000103643

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000103643) never changes.

Identity and time

Publication numberOT-2026-000103643 · never reused
Internal UUID01a0aea4-e462-73a0-ab51-b3b393754c72 · 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-2026-000103643
StatusPUBLIC

Content hashes

Canonical textf895cf1a1e090167a20424223a9eac66c40f6cda8a445695c2c79f5754c17292
Markdownb679d0512e211cfa2b3a34d774dd10843bf1b900da419d9edb07ae520da13bfd
PDF
Publication pagec1fb3cacdd0dcca8a33999ad8685265a1bde2afb2cc220bb95508a7f76a7d6ab
Manifest4a52bc0058e682e034efd42ed7f6c6db8f4629b7590dd7d175b88087062adc22

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
Signature2TTPHeY9WmpceWcl4KgyYKgwYc5qf5JfFnFlwbbwJqLOzMGafacxoSJNNSgxtem8e6LXsihOXooi6A+lQ1FPBQ==
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

2026-09-17T09:22:26.418985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103643
observed c1fb3cacdd0dcca8a33999ad8685265a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.401534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103643/manifest.json
observed 4a52bc0058e682e034efd42ed7f6c6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.385157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103643/publication.md
observed b679d0512e211cfa2b3a34d774dd1084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.369370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103643/publication.txt
observed f895cf1a1e090167a20424223a9eac66...
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.