OpenTechnical

OT-2026-000027341

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027341) never changes.

Identity and time

Publication numberOT-2026-000027341 · never reused
Internal UUID01a0ae72-6997-7fd9-9c33-f3ceac01f48e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027341
StatusPUBLIC

Content hashes

Canonical texta3894118bf2ec2bcc8257f9158e7e4d36a1af16fd3830e42cd3044da648c4528
Markdown6a783eb15ec98070f421d10555bdf11564c1a7a7669de231bedb6dee26b5e69d
PDF
Publication pagef1445e24794ed446a8a8d68765987261bb8a98a73897084a525ad99b89cf84cf
Manifest3379bded4e5bf34a89f65f481fe59cf6eab046b7209d6a44ee9402130fd2a842

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
SignaturehQ+84SNNOUZSiL+tL/OFbhdsN14iZ1kFsasL8J9njuxQ1CeDjKP9zcofhv9fy5sE/lUGiiQqHT3vTJn5x1dvBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:44.815139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027341
observed f1445e24794ed446a8a8d68765987261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.795659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027341/manifest.json
observed 3379bded4e5bf34a89f65f481fe59cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.666429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027341/publication.md
observed 6a783eb15ec98070f421d10555bdf115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.647411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027341/publication.txt
observed a3894118bf2ec2bcc8257f9158e7e4d3...
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.