OpenTechnical

OT-2026-000019183

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000019183) never changes.

Identity and time

Publication numberOT-2026-000019183 · never reused
Internal UUID01a0ae6e-f391-7043-8514-22dca54b7bd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019183
StatusPUBLIC

Content hashes

Canonical text6217b70b7c0a351f7e19f4cb10a84064b7d75a498059565ac78a09de3e7ea701
Markdown683648ec5929f9bd6fd1b11cca853d04a2e8a794ee00032ddd9bbeda33b44c3b
PDF
Publication pagec7676ea56ccfc48d5bea58d27840bb98cf2904d950027beb621424d74a1fcff5
Manifest1e2d9b68aaec326bd37f175e8c7cf42713df76d85f12763db370f8a8eb43803b

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
SignatureSoxw4fP6Zt1Vvd27gboQcyl4MTC8rAmha93fGCvLPrxX6VkyUgiGVt9+cNx1JhuO5C5/2o8+hiMM/CCFSvinCg==
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

2026-09-17T11:58:30.022950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019183
observed c7676ea56ccfc48d5bea58d27840bb98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.004355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019183/manifest.json
observed 1e2d9b68aaec326bd37f175e8c7cf427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:29.986729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019183/publication.md
observed 683648ec5929f9bd6fd1b11cca853d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:29.970984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019183/publication.txt
observed 6217b70b7c0a351f7e19f4cb10a84064...
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.