OpenTechnical

OT-2026-000004323

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, pump fed, vented before set down

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-2026-000004323) never changes.

Identity and time

Publication numberOT-2026-000004323 · never reused
Internal UUID01a0a913-ff47-70cb-84a8-efe4d38f1464 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:17:35.179791Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004323
StatusPUBLIC

Content hashes

Canonical text270d3f76211e89a8148f26c829538975fb421fc6740e721313372d9cd00c44c7
Markdown76a85eb1b3f4058c049d3127f9824a6162643bba1fb6251a0e6c35c68c9d6197
PDF
Publication pagefb999facac25f221f595e41201036dd0fa51cbfb280668d68172c2dfb7a047e5
Manifestf11da4ff50acb36317ef163a221dac585303f334c43e960b338585d6bccb9f1b

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
SignatureewU++YlWScUU7HObQ0qIciEJit5g9vDzJwNPnRtneSi5KBycxCmMK0q74XvvSyFem9XW+BcTfzOAMyZRahE+Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:10.937550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004323
observed fb999facac25f221f595e41201036dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.924962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004323/manifest.json
observed f11da4ff50acb36317ef163a221dac58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.910772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004323/publication.md
observed 76a85eb1b3f4058c049d3127f9824a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.896797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004323/publication.txt
observed 270d3f76211e89a8148f26c829538975...
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.