OpenTechnical

OT-2026-000075014

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000075014) never changes.

Identity and time

Publication numberOT-2026-000075014 · never reused
Internal UUID01a0ae93-ac2d-701d-bfa5-d06c8c14eebf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075014
StatusPUBLIC

Content hashes

Canonical textae44340a8021d8691f99ed35f33b0f844b489cb7bbee06c61c99cd6d259da477
Markdown9c2b4950db761f95ffd689ae45c54b2d7b602354177b502a324c305b50b46aad
PDF
Publication page171476fc623ccf9a1145a10ab2f4a460376d408f6a4be812c2867868c0624952
Manifest49faecad49672be1b7521be8a18f2ddb39d4c85d9d011f0a857535e0143471df

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
SignatureJ1EWEiQRT4jq/3Ru6e+4jA4yyFBwL/jpSLVqhv8c7dobBHpWPEQ1RSxlL3i+bLyNwpmcN2/Grr5I1HAaDcgsCw==
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

2026-09-17T10:18:49.532084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075014
observed 171476fc623ccf9a1145a10ab2f4a460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.516458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075014/manifest.json
observed 49faecad49672be1b7521be8a18f2ddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.500520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075014/publication.md
observed 9c2b4950db761f95ffd689ae45c54b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.483430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075014/publication.txt
observed ae44340a8021d8691f99ed35f33b0f84...
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.