OpenTechnical

OT-2026-000032641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000032641) never changes.

Identity and time

Publication numberOT-2026-000032641 · never reused
Internal UUID01a0ae75-1070-72d4-850a-3fa884299c92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032641
StatusPUBLIC

Content hashes

Canonical textf75f105b6d23037974ec663c3527daf387e30a5194dd5c269a4a89d4d824ccea
Markdownafdb2e5383c64cfccd75200e99b6af039042a602b3540b2655d35e2e43b36284
PDF
Publication page43438a9c3f1c41732d846fb0952b88bdb0001c24a4bf3e8ad101f8762aaadf3f
Manifestfca394e430b782446006ec8419bc886f563b6ab59d3c6fd969d53089fd4cdbc1

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
SignatureIlTZAPXkAscjqlXnafKcPCkvv9yXihlGaMCPtj6cCmM98R1C3okrhcCx2sxatQIDEysgWlqUTEv0rx6JkoufCw==
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

2026-09-17T11:34:13.943377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032641
observed 43438a9c3f1c41732d846fb0952b88bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.926714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032641/manifest.json
observed fca394e430b782446006ec8419bc886f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.908625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032641/publication.md
observed afdb2e5383c64cfccd75200e99b6af03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.890631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032641/publication.txt
observed f75f105b6d23037974ec663c3527daf3...
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.