OpenTechnical

OT-2026-000019705

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000019705) never changes.

Identity and time

Publication numberOT-2026-000019705 · never reused
Internal UUID01a0ae6f-1fb3-780f-942a-5131bbafd237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019705
StatusPUBLIC

Content hashes

Canonical texte81b8946aabcd3f315a27a40251781ec149b93ecc45b9ea3ef107aabea61eed0
Markdownf93a58aa71a2fcf6f64c418759ac2e9a4ef05d2b381916377b6a09d173285dd9
PDF
Publication page3792b08aef4d9f4e3832ec43a7c1c3e52aa59df32e7814832fc9fe1b09dfd8d0
Manifest146b0e5c2eef4ec2b41632e195362ed1da5aca087ba32ec76c7c2fe878f27e77

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
SignatureOu37/G/g/N+KHk7h1NNBWb4f7+RqUrPBxqpvlu0bHiZ2kz6uqN7x/jpnNrLQmqLtRJHNpLjGslWSEQs0FGpzBA==
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

2026-09-17T11:57:47.407283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019705
observed 3792b08aef4d9f4e3832ec43a7c1c3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.388809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019705/manifest.json
observed 146b0e5c2eef4ec2b41632e195362ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.370958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019705/publication.md
observed f93a58aa71a2fcf6f64c418759ac2e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.352288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019705/publication.txt
observed e81b8946aabcd3f315a27a40251781ec...
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.