OpenTechnical

OT-2026-000019043

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off 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-2026-000019043) never changes.

Identity and time

Publication numberOT-2026-000019043 · never reused
Internal UUID01a0ae6e-d523-70ce-aa9d-29646ffc737a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019043
StatusPUBLIC

Content hashes

Canonical text158891d8c7d83a4f6e06ab968e22c252d9b32fcefe257fc7672cd85a5b553adc
Markdownccc95a3b5bbf032df9217138640afdec5a7e6a54571d2d56d927fe28dc365b50
PDF
Publication page09a369a5fab786628d5e69952ce22b39be8047af9c47035447a6846274d5e02d
Manifeste217fb9081900c79e9012c800c7cdd8c1d0488d31e8cd0209a3063f7b5d2483a

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
Signature+gwtpcu5V0cpJHYnAoeI1sBfS0JpM0XZ44KFjtoRF2S+hOAAOPKG5EUcL+hoj5EzpDoGZ0iN/L+aPpKnJhBaBg==
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

2026-09-17T11:59:44.154167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019043
observed 09a369a5fab786628d5e69952ce22b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.135705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019043/manifest.json
observed e217fb9081900c79e9012c800c7cdd8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.117348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019043/publication.md
observed ccc95a3b5bbf032df9217138640afdec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.098305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019043/publication.txt
observed 158891d8c7d83a4f6e06ab968e22c252...
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.