OpenTechnical

OT-2026-000041129

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041129) never changes.

Identity and time

Publication numberOT-2026-000041129 · never reused
Internal UUID01a0ae79-b142-72e0-98b1-a5b54ece2f88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041129
StatusPUBLIC

Content hashes

Canonical textb51b9d1df910184a05c3859d457c293f201452f5b0af82368db78a72928bbf07
Markdown0f3903974bcc6552b17f5fb5e4e2b0bb5ef301f484a7e0cda917f8b618d903bf
PDF
Publication page4b4e5ff9f3fd94dff91eb142eb6cccccdf363858339755ad18fdc94b2d1fb78b
Manifestf3e6ec1907c9b10991a117e896028576d38338f8a50df6f7001417d0cb54cf22

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
SignatureNl0K07x85iptjekIhhVIwkXQKHJ5wxd9b0RXh1uuq2Q9yTM9r4x+7hQiNwGwvb935cphv0kZBjWe+eoMYSkXAQ==
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

2026-09-17T11:17:03.986371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041129
observed 4b4e5ff9f3fd94dff91eb142eb6ccccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:03.968409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041129/manifest.json
observed f3e6ec1907c9b10991a117e896028576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:03.950918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041129/publication.md
observed 0f3903974bcc6552b17f5fb5e4e2b0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:03.929713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041129/publication.txt
observed b51b9d1df910184a05c3859d457c293f...
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.