OpenTechnical

OT-2026-000012252

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000012252) never changes.

Identity and time

Publication numberOT-2026-000012252 · never reused
Internal UUID01a0ae6d-39f5-7e49-8e15-0c74a53d63bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012252
StatusPUBLIC

Content hashes

Canonical text49545843b8a71f645be17732d5aff49989946e4d06c4990479e36d5abfa3706c
Markdown8c4511e581b6c0281fbe162aeb1b00a0cb2788e7175a772e6687fe1503ae46d8
PDF
Publication page1a8157f1b706b575770ba474bc305242a52d397300dcb3988f9ae958424b929a
Manifestad5fc805540e3913f0b1591df26b23449e72844fd354cc956248a55a73d983a9

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
SignaturezeWdXQi7BzOBwZFQPHSY6ZS7pQ0zysPd0643ZizeWO8AFcKI/k4b2IZoCauzF0LfZmEL7UeFROcfJiz1E2hRCg==
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

2026-09-17T12:11:10.959971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012252
observed 1a8157f1b706b575770ba474bc305242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.940423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012252/manifest.json
observed ad5fc805540e3913f0b1591df26b2344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.921088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012252/publication.md
observed 8c4511e581b6c0281fbe162aeb1b00a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.902760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012252/publication.txt
observed 49545843b8a71f645be17732d5aff499...
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.