OpenTechnical

OT-2026-000004590

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, two stage ejector, contact triggered on the face

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-2026-000004590) never changes.

Identity and time

Publication numberOT-2026-000004590 · never reused
Internal UUID01a0a91d-03fe-7c52-baaf-68f463b24e8f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:27:26.209060Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004590
StatusPUBLIC

Content hashes

Canonical text6e57d8fbcce7aed6eed879571990e2ba79023c563985b3d6b4c9b74fc915f76b
Markdown1162f8e96993c4c652587307d6dcd39cb63959af072327480b1fee1f8da09634
PDF
Publication page8080310493d698d3995e0c1fea08377127287ca934d8248caa4e66328e3999c1
Manifest608543a85a2463c632509d582f3117575d8e8d7b4da3959244aa34f04700ba42

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
SignatureuMZ0V68TFR2KdMMjInNX6QADypRCPFz82KIQsX2r41d/XIri4mJSy5do+P1erO7KwMrUgarSDfy8JS4xY1ywDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:11.667296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004590
observed 8080310493d698d3995e0c1fea083771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:11.654952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004590/manifest.json
observed 608543a85a2463c632509d582f311757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:11.642499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004590/publication.md
observed 1162f8e96993c4c652587307d6dcd39c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:11.629286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004590/publication.txt
observed 6e57d8fbcce7aed6eed879571990e2ba...
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.