OpenTechnical

OT-2026-000043903

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold 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-2026-000043903) never changes.

Identity and time

Publication numberOT-2026-000043903 · never reused
Internal UUID01a0ae7b-d678-7fe2-8c5e-2d0188e5f32b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043903
StatusPUBLIC

Content hashes

Canonical texte7c1cc82f8328e3f1ba849882ec5ba12906254046917f8be9eaaa732869aca1b
Markdown1f4414caef10ec9df30e3e3bb675848ce451e4971efcc1c1285a34db96a36e53
PDF
Publication pagedd3ea44fd9c1c6a137978c36a580b3ecca3f61eb7568abc10a9f1de77864066a
Manifeste70d78f44a44b442b4223b3d6c382349321123d304a29ce234b7a8600c5bcc72

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
SignatureXvsZSfSeAf+k+UK5AMBoRizzwIiwH8LWPB88dJkzkQOpY79RtW4IZZbwbTTuNe27v9Kse0pEYUVqALWqCJOyAA==
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

2026-09-17T11:12:14.464514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043903
observed dd3ea44fd9c1c6a137978c36a580b3ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.446688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043903/manifest.json
observed e70d78f44a44b442b4223b3d6c382349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.427026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043903/publication.md
observed 1f4414caef10ec9df30e3e3bb675848c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.408275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043903/publication.txt
observed e7c1cc82f8328e3f1ba849882ec5ba12...
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.