OpenTechnical

OT-2026-000025544

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000025544) never changes.

Identity and time

Publication numberOT-2026-000025544 · never reused
Internal UUID01a0ae71-5fa8-719b-a30b-c78f28265101 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025544
StatusPUBLIC

Content hashes

Canonical text706972a78ac6abb18aa3d5b75bb70741b8fe4de83bb22c1881f59cd175377045
Markdown5b45d0d17721fbc19660fcc8166a588eea7d6399b777c638d6d0e37f50369e56
PDF
Publication page2538b3fc89e8781af11b82d56887b8dfd7947e636814e47a53dadc51b19d79af
Manifest6f92ea7617cb473f54bdc85fae6ce31185f6c3412cc074e63fc6912fa9cacaf9

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
SignaturexwKqikq36O3RuRqMU9YnjjbVSV/qF0nQh3DPPrPnPn/DskwjGLg+Kl2Cj8PE1ZevhUuWS6VQOq615WtfS9bACA==
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

2026-09-17T11:47:41.583025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025544
observed 2538b3fc89e8781af11b82d56887b8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.565326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025544/manifest.json
observed 6f92ea7617cb473f54bdc85fae6ce311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.545598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025544/publication.md
observed 5b45d0d17721fbc19660fcc8166a588e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.524109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025544/publication.txt
observed 706972a78ac6abb18aa3d5b75bb70741...
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.