OpenTechnical

OT-2026-000018480

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000018480) never changes.

Identity and time

Publication numberOT-2026-000018480 · never reused
Internal UUID01a0ae6e-b48a-71eb-aff2-bd6bdd0c05ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018480
StatusPUBLIC

Content hashes

Canonical textd87bd222229d64da753029f8ef9edb938e44f17c159a2fc4522222c895fdc7bf
Markdownfe03caf8e936967eeeb17096e4e94e9c0f26c1a23a24a7138ad30b7894e43714
PDF
Publication pagecf55acaeb539b96970312c23a11db1fe4fbdcaaff7c095ab8b994ca70d322fb1
Manifestc678f826b6343389a62ed2d030eb5daef0837e0a66a11a6e2d092cf99ea09a85

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
Signature5w6l709VikaMtRB+NstuTcDqrwR+fUH1FsYicIqkoqkLiqxORPDlQb/YcFUaXMi/qEXnw4YqQF5n2kwTznrwDA==
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

2026-09-17T12:01:14.915007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018480
observed cf55acaeb539b96970312c23a11db1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.898278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018480/manifest.json
observed c678f826b6343389a62ed2d030eb5dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.881159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018480/publication.md
observed fe03caf8e936967eeeb17096e4e94e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.864737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018480/publication.txt
observed d87bd222229d64da753029f8ef9edb93...
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.