OpenTechnical

OT-2026-000087656

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000087656) never changes.

Identity and time

Publication numberOT-2026-000087656 · never reused
Internal UUID01a0ae9a-cd53-7c40-8307-6c089c01ea29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087656
StatusPUBLIC

Content hashes

Canonical text063d83373eb5ab9ad2cae3c2f86faa3a3345d5e836bf33a7b43c6d9ccb51b17d
Markdown6093c7e48ef99b16838d621183ecb7ed199c517579a65e9871718fb358c295ba
PDF
Publication pagebb6c0961116080faf6e8e3f10ecfe7a6ab6878e93909b6b7d279306c3e8f3bb6
Manifest84f660ee04e03073451d739e33bc9b84b1a92ba1f4afe88e3409fba15c4ef822

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
Signaturek402sSTn+4N6nNiVi+Bbz5hhENleqUmdE5ZXmwfDDstahRh16G/SzCVwuipnMJ3J/v5g+BZYjbH7bOVNZfOZDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:06.094693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087656
observed bb6c0961116080faf6e8e3f10ecfe7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.077987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087656/manifest.json
observed 84f660ee04e03073451d739e33bc9b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.061260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087656/publication.md
observed 6093c7e48ef99b16838d621183ecb7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.044819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087656/publication.txt
observed 063d83373eb5ab9ad2cae3c2f86faa3a...
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.