OpenTechnical

OT-2026-000009684

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented 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-2026-000009684) never changes.

Identity and time

Publication numberOT-2026-000009684 · never reused
Internal UUID01a0ae6b-7564-7e2d-a62c-324061088dd6 · 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-2026-000009684
StatusPUBLIC

Content hashes

Canonical textbb964ae36db675c43364f8f6c6149ebf77e3e8b911cb43b2cc3f537e1a1442cc
Markdownbbc0744440fc1412d2f4232831eda22f477925abc411e81aa6bba79e612f8937
PDF
Publication pagebc6eb2b933e54c75eae3ca2638ede06e81a06286f0bfcb300d8344e5f3fc18d8
Manifest859f90970ccc37c9a54eb0f33ec7ad12ea3160d59a1f4b0632b8463a750b77ad

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
Signature0tHBFt19ggM+JT2BI1OFEZ3I002rXYHPWCOFkpMpk3hZx8kO9tDXWMSr8NPgqS9uYt9kSDvrjv6nx7Fi94+DBw==
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

2026-09-17T12:17:09.924757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009684
observed bc6eb2b933e54c75eae3ca2638ede06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.906367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009684/manifest.json
observed 859f90970ccc37c9a54eb0f33ec7ad12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.886346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009684/publication.md
observed bbc0744440fc1412d2f4232831eda22f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.865501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009684/publication.txt
observed bb964ae36db675c43364f8f6c6149ebf...
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.