OpenTechnical

OT-2026-000011749

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000011749) never changes.

Identity and time

Publication numberOT-2026-000011749 · never reused
Internal UUID01a0ae6d-1940-7bac-8d7b-7959b03c1f4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011749
StatusPUBLIC

Content hashes

Canonical text5a5f1853f6958a8f6a7f64c52a89c4d3b36b2481015e5d9ed503544881da5bea
Markdown04b600a6ed79fc1e55bdf97d5b3eb4b171f94cf7a9e37ffbd315a5c3ed2ecdd1
PDF
Publication pagec066b518b4e32fa9e75205ab66361e04b96a927589f7b77fb393c9c178ea19f4
Manifest1c3923b193c9fa6d8fc5ff8f523430a8b525e860b2c0a184728862d0144a2ea2

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
SignatureRGe/7k/vaq0GjJVLkd78RH7Ti2vmSqeTUQD3KjXHLTY5v+prAI8ir9zL/SwtAOOR5c0hB6kz1eDOOFED6iZ4CQ==
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

2026-09-17T12:12:27.355562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011749
observed c066b518b4e32fa9e75205ab66361e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.336140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011749/manifest.json
observed 1c3923b193c9fa6d8fc5ff8f523430a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.316150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011749/publication.md
observed 04b600a6ed79fc1e55bdf97d5b3eb4b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.295844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011749/publication.txt
observed 5a5f1853f6958a8f6a7f64c52a89c4d3...
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.