OpenTechnical

OT-2026-000005399

Publication integrity record

Bellows cup vacuum gripper, three zone face, two stage ejector, pressure verified

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-2026-000005399) never changes.

Identity and time

Publication numberOT-2026-000005399 · never reused
Internal UUID01a0a937-cc2a-704a-a08e-5819057aa6e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:41.389045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005399
StatusPUBLIC

Content hashes

Canonical text9af5df9743ac2eb6ead2fb08d856ce9d12305266666db24cfb658c3bd1ed6531
Markdownaed5367323b9b8d62dabc5557c95a2fd1c225cb3254a1cbf617db4c16e0bff73
PDF
Publication page95c4f5901faf5b0708f1fc68244cabcb5a25819f85793c95a284dcf8fbc54536
Manifested4e539cf031feea68a64710293a8e0387bae1c48a51a686a72481e6f1f2a032

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
Signaturev3NqgMPojRZuaKJdMMdVDAGQVOjpzaB075n4Oi2rXky0ziVXLJeXxjHN71LNAVqqG+cZog7Bg4ROhW+26lrDBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:13.974874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005399
observed 95c4f5901faf5b0708f1fc68244cabcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:13.959422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005399/manifest.json
observed ed4e539cf031feea68a64710293a8e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:13.945505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005399/publication.md
observed aed5367323b9b8d62dabc5557c95a2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:13.931323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005399/publication.txt
observed 9af5df9743ac2eb6ead2fb08d856ce9d...
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.