OpenTechnical

OT-2026-000039987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039987) never changes.

Identity and time

Publication numberOT-2026-000039987 · never reused
Internal UUID01a0ae78-d8d7-7108-b83a-30526eeb31ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039987
StatusPUBLIC

Content hashes

Canonical text19793d2d012907f987240b3657eba37d9b2e063128c3deadba8f59245167a9c0
Markdown451bcb5f33fd2c7b2de27efa44738beeef11cb7f106c55d63a3ddf977a71a42c
PDF
Publication pagea4d10e04d40bbde16c450e7a038b048a2290c235598d8b39526615d78c2b57aa
Manifestaa795f00908c6531b0b7e388b4310fc85dcd0dc9d6e09899a7a70f0a9bdb254b

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
SignaturerTRV7eHrgr8jZ2aTVdbl/o8Wui0r8sL0/bQ84TabZKaartY80bXRrJn5QIBOiCZpnkOtnU4nP/D/7RVZSi3iBA==
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

2026-09-17T11:20:19.113718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039987
observed a4d10e04d40bbde16c450e7a038b048a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.094988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039987/manifest.json
observed aa795f00908c6531b0b7e388b4310fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.075334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039987/publication.md
observed 451bcb5f33fd2c7b2de27efa44738bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.057937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039987/publication.txt
observed 19793d2d012907f987240b3657eba37d...
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.