OpenTechnical

OT-2026-000038525

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038525) never changes.

Identity and time

Publication numberOT-2026-000038525 · never reused
Internal UUID01a0ae78-2d53-7137-bdf8-6094e3c2a1a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038525
StatusPUBLIC

Content hashes

Canonical texte2fd31b08da144db41182f1e5c3897acaf2614f7643ee5547a7efa7310101861
Markdowneb6fc68484b8d3a0c75b308ed49d9a7b18f03eaa91120d76872a919f6ec7b7d9
PDF
Publication page81ab3efb1824df0f2cfd7be4d8103c519fbde0bb4f282141d4c1a7589e946583
Manifest3352d89841dbb2173694f3055105a1943762625d0368753c409a8fe29d6db9f5

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
SignatureI/xsAgJ9q5C7hZyk5cLdkSyzPkuuGSK9iZTXzS8QgLyVd5By4zeWf0RWZclnOrLSVTJEuxOdyC8I57AQMnMYAw==
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

2026-09-17T11:22:46.856034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038525
observed 81ab3efb1824df0f2cfd7be4d8103c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.838344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038525/manifest.json
observed 3352d89841dbb2173694f3055105a194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.819841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038525/publication.md
observed eb6fc68484b8d3a0c75b308ed49d9a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:46.800837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038525/publication.txt
observed e2fd31b08da144db41182f1e5c3897ac...
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.