OpenTechnical

OT-2026-000048412

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000048412) never changes.

Identity and time

Publication numberOT-2026-000048412 · never reused
Internal UUID01a0ae80-4de4-7f48-8d58-53414e08542e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048412
StatusPUBLIC

Content hashes

Canonical text69c574d6c20c8180c1299ef691aeaa7ef17710a3245eecc13e59babdabce04c8
Markdown0ca2a56d6d0f9c82bd08f1810b9c3c9f2bb21253ab48d883791f7e5375581ac0
PDF
Publication page23ecbe9cbe533ab4a4dba9f574d048aef0be47e8097f6763ce5df25946e139dd
Manifest7c41da340b1a773241a08ae117999e9801b80d1f3ddbc3e907bb87fdd5ce8ab8

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
SignatureDN9juzchQiS1TDN3bXRwOfxs1UXL2AGHyP+oDKkWqnghwdch41tjvgnRE0x24PIDXgSfLkBEh6itq4rN6VWKAg==
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

2026-09-17T11:05:03.218676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048412
observed 23ecbe9cbe533ab4a4dba9f574d048ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.198660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048412/manifest.json
observed 7c41da340b1a773241a08ae117999e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.176829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048412/publication.md
observed 0ca2a56d6d0f9c82bd08f1810b9c3c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.159461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048412/publication.txt
observed 69c574d6c20c8180c1299ef691aeaa7e...
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.