OpenTechnical

OT-2026-000032889

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000032889) never changes.

Identity and time

Publication numberOT-2026-000032889 · never reused
Internal UUID01a0ae75-4842-7795-9aa6-279b9149f324 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032889
StatusPUBLIC

Content hashes

Canonical text51f535f7a5434eaf13ced8fd7a2f1fe307c97e543eed1ccb0f1170e22bf18850
Markdown7732daa852eef0d13d3728b56919c2dd791a021118b89b97c46c7e7ec22d8d4c
PDF
Publication pagebb2730baa624d7e0f4d66dd40936c974d4935122b328bfa0ea523ba7c64a6e22
Manifest1787d6c20b4ca57da8f081a26b019b828d3a84b1cfc9b05991c00cfc4c51be20

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
SignaturepfwYLSWdVQ9sJDjP4U7Su1vhDeykpJxaZs4R6MMR6VYx0QP55DlOc5P/b8b+mvu7T++cPLKoQ5a8HBFIV8LcCA==
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

2026-09-17T11:32:28.398137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032889
observed bb2730baa624d7e0f4d66dd40936c974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.378534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032889/manifest.json
observed 1787d6c20b4ca57da8f081a26b019b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.350144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032889/publication.md
observed 7732daa852eef0d13d3728b56919c2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.327496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032889/publication.txt
observed 51f535f7a5434eaf13ced8fd7a2f1fe3...
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.