OpenTechnical

OT-2026-000033387

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000033387) never changes.

Identity and time

Publication numberOT-2026-000033387 · never reused
Internal UUID01a0ae75-8980-7585-acc2-56f85d45f720 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033387
StatusPUBLIC

Content hashes

Canonical textbdaa12f6337ead6003ad1ff70b35c8b439e294994306334ec29186bd632192fb
Markdown95eb836091ec821af960640f3b5ef3d9ebc39c2c655347cfc5af69f96754ec30
PDF
Publication paged57ac64c3a0a36e91a5c3c377ef886f608055e5e625d94abb8fec7041fe2fcae
Manifest8d494bda0bdef7a3d5405e94328d0d546438dabfa4c9efa007e1ef96eb0456b4

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
SignatureH8q+Hhf2ZWibbPYnY7GEDdy3rSUxKCsamwQQCk9abv7Iz/GotMU7nX63rCVLJFrb0iwtPqn3p0uBsW3VGHwIBQ==
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

2026-09-17T11:32:09.758112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033387
observed d57ac64c3a0a36e91a5c3c377ef886f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.741860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033387/manifest.json
observed 8d494bda0bdef7a3d5405e94328d0d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.723970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033387/publication.md
observed 95eb836091ec821af960640f3b5ef3d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.702204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033387/publication.txt
observed bdaa12f6337ead6003ad1ff70b35c8b4...
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.