OpenTechnical

OT-2026-000022761

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000022761) never changes.

Identity and time

Publication numberOT-2026-000022761 · never reused
Internal UUID01a0ae70-46ea-7df4-a38c-30b65697efb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022761
StatusPUBLIC

Content hashes

Canonical text792b991567bd8f9ea0292e978b1010a1c3a321c575e679790d33d582f857d35a
Markdownc08e07be788cbb3623db8b42c252444182ec3747ba92a1bfd5f564c7c934f97b
PDF
Publication page26ebfe612bec9ce86e8964f5adc0ec9a6971b5a45853b1febad88834659d1fff
Manifest13e75788c806e7eafdeac7c63761c0362fe89b61e9104d6c37c10068cec18197

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
SignaturekNwkwY6d5TL0rUMJMRK4X0x6gdvPJAFvYWvyatz1XGEcoAdCrV6HknqDGOjAGZSb1f7koICPwkBuL1W7N+qqBw==
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

2026-09-17T11:52:16.418105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022761
observed 26ebfe612bec9ce86e8964f5adc0ec9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.398459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022761/manifest.json
observed 13e75788c806e7eafdeac7c63761c036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.380484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022761/publication.md
observed c08e07be788cbb3623db8b42c2524441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.363396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022761/publication.txt
observed 792b991567bd8f9ea0292e978b1010a1...
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.