OpenTechnical

OT-2026-000018620

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000018620) never changes.

Identity and time

Publication numberOT-2026-000018620 · never reused
Internal UUID01a0ae6e-d520-76a0-901b-cc1255926c67 · 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-2026-000018620
StatusPUBLIC

Content hashes

Canonical text58baec6bdc2f7d5e09a785aaadf807c6281aff6a5fa058fab0fa19fac6a78a17
Markdownf7019fd986c4a3e5fbe56a7b8a62d008a625aa890e36e9a79112fcdfe0a33442
PDF
Publication pagee2c194a856d7ac7cc251acc890f6510d4e7f19c64e6547ee0e0fb5410870f768
Manifest79b4480ed584affd87e897a28ea5c14ea3ab94c29a2e8da005e0d2b5935a1303

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
SignatureEGFheS5W+wfHpVQvQ2+hGO1R9aX3FGB2CiIjUgPxqQzaxSaqsfSwrF5I8XUEYnkJzjGquvJoKW2nikKBNl+aDQ==
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

2026-09-17T11:59:07.057558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018620
observed e2c194a856d7ac7cc251acc890f6510d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.040720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018620/manifest.json
observed 79b4480ed584affd87e897a28ea5c14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.023570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018620/publication.md
observed f7019fd986c4a3e5fbe56a7b8a62d008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.005836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018620/publication.txt
observed 58baec6bdc2f7d5e09a785aaadf807c6...
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.