OpenTechnical

OT-2026-000018861

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000018861) never changes.

Identity and time

Publication numberOT-2026-000018861 · never reused
Internal UUID01a0ae6e-d521-78f8-a6bb-40291ff8bed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018861
StatusPUBLIC

Content hashes

Canonical text3641ca6738d275258b492873dd884123ff7a302afdff1b0e3fbaa2668f15aba9
Markdownfcffde4612a044af65129b256604a46e3d590f05282a35dcc4b6b5979680f3f8
PDF
Publication page72276a877ad2a5624c9076e0b1b2f1de7b42f321330ff6babebb2f3cd1dc2064
Manifest673b3025aba448dea588047cb05331eb0619aff9b2d8f597c2a70b63085649f8

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
SignatureUWWRWWlCFtOWalXSUZiWvfW7imn4nBUSmCTfHGMVMglq8uW4EvEmGx+yTgLbmI4zRGrXZKdAeADZOsBMkjhFBA==
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

2026-09-17T11:59:30.301838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018861
observed 72276a877ad2a5624c9076e0b1b2f1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.286101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018861/manifest.json
observed 673b3025aba448dea588047cb05331eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.269799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018861/publication.md
observed fcffde4612a044af65129b256604a46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.252242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018861/publication.txt
observed 3641ca6738d275258b492873dd884123...
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.