OpenTechnical

OT-2026-000009536

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off after 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-2026-000009536) never changes.

Identity and time

Publication numberOT-2026-000009536 · never reused
Internal UUID01a0ae6b-7562-7eff-ae15-2e00bb14c6db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009536
StatusPUBLIC

Content hashes

Canonical textcf612f6d19402e744783f35a39328649cacec7a467680324d7b9577697fefcf2
Markdown2cec439c6efc44d83168c7f5436179d144f0cc80bdbd2ec73eb02b871b5c2b43
PDF
Publication page75a4568c7ec9e067dfc2e489b568284f560834c7da2cf3e00d8b3f57a808549e
Manifeste36d2fce4ebad7f1500ab04add1e46ecece5d90c8597bec1dbe9394fd261ba5a

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
SignaturezfL5vHba0dWZk560P6pvWRUVGmyJbELo25ZHlwfYlC+awpdVhgbgn7FIT60EO2mcBiQ9V5/dnVWIKcro3p0RCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:57.417443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009536
observed 75a4568c7ec9e067dfc2e489b568284f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.399642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009536/manifest.json
observed e36d2fce4ebad7f1500ab04add1e46ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.380350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009536/publication.md
observed 2cec439c6efc44d83168c7f5436179d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.360817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009536/publication.txt
observed cf612f6d19402e744783f35a39328649...
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.