OpenTechnical

OT-2026-000027703

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pulsed 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-2026-000027703) never changes.

Identity and time

Publication numberOT-2026-000027703 · never reused
Internal UUID01a0ae72-699a-7ec6-865d-7503ffe34fc0 · 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-2026-000027703
StatusPUBLIC

Content hashes

Canonical text98979256bf0d5bc794eb3abca10cc15be31d91f073be2e0abfdf5ae2ea9a84ea
Markdown0ee73f6698da1a16e0a4997851d2835a33e89c005f96656c22200185c3815718
PDF
Publication page71a1b757af9ca9a30e76b92ea6bc94b6e6206fb6e679d21f5a0929c8217d64c3
Manifest324b3d455347a09914c3d73510c8cea97079718ccb471f9f611e6cc00feba196

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
SignatureZplErxyUrU705ZqbV1tUrQRI5nUhD+UxyFYU3QCC0tIZC24l71Ba2tfV/jbun9H4bu9HnIb6OIksscIbkZupBw==
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

2026-09-17T11:43:15.188928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027703
observed 71a1b757af9ca9a30e76b92ea6bc94b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.172325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027703/manifest.json
observed 324b3d455347a09914c3d73510c8cea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.154889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027703/publication.md
observed 0ee73f6698da1a16e0a4997851d2835a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:15.134784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027703/publication.txt
observed 98979256bf0d5bc794eb3abca10cc15b...
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.