OpenTechnical

OT-2026-000003596

Publication integrity record

Vacuum cup gripper, four zone face, common isolation valve, two stage ejector, contact triggered

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-2026-000003596) never changes.

Identity and time

Publication numberOT-2026-000003596 · never reused
Internal UUID01a0a90a-7c67-7737-9829-9d359baabdee · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:11.849950Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003596
StatusPUBLIC

Content hashes

Canonical textbdb13b16e9e8f2c90db934e8841c3d459a9ee229b39482606d61ebeffd64bee6
Markdownd507c454589c7525981c791bb3fcbee5259b5de1cc47e42849d93a7e5c0426c2
PDF
Publication page97aa1dc82d5f02d23a2ee2f31a4ad5447c241577bf82a1c6d3f5d9e3d696d18f
Manifest809b1276e4984b62d022f53ab852bb2720289f1b8b0f37631bfa036570d76f04

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
SignatureyQJjvHd2gbQgQEYZtBpTSTtIk70xP7tv/JJVtiJcdC3zhNqEZOHnPCAQ8XfK1dsxCgs7kNZRAUC0008E+3y9DQ==
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

2026-09-16T08:40:35.725376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003596
observed 97aa1dc82d5f02d23a2ee2f31a4ad544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:35.710428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003596/manifest.json
observed 809b1276e4984b62d022f53ab852bb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:35.696315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003596/publication.md
observed d507c454589c7525981c791bb3fcbee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:35.681376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003596/publication.txt
observed bdb13b16e9e8f2c90db934e8841c3d45...
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.