OpenTechnical

OT-2026-000030036

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000030036) never changes.

Identity and time

Publication numberOT-2026-000030036 · never reused
Internal UUID01a0ae73-ac4a-7625-af36-2a7fa9cabd06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030036
StatusPUBLIC

Content hashes

Canonical text84b564702c851eec8af013ad0aa215228cc664953ae582384d2e7829dea79a47
Markdown7af8b458b6fe97fefe3be23782264e76f66fa9b847acdb67dd72d5077f14b11b
PDF
Publication page98d184dbfd3145706d0a27fbc9768c1ed3cd9644b507979b3825dbf4bd7fbd19
Manifestf769106fcdd290453db12e561fd013ab5ccb7d45266857388ed9a452722ae3ca

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
SignaturehF0UdZLqz2GWluz1VVvDxLwo+QfuVV9Ghdi0hBnTfiUKvGnpLEG264FBXLVEf6KSDiE+XRPFCvWO/AUX57fDDw==
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

2026-09-17T11:38:46.439012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030036
observed 98d184dbfd3145706d0a27fbc9768c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.422615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030036/manifest.json
observed f769106fcdd290453db12e561fd013ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.405790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030036/publication.md
observed 7af8b458b6fe97fefe3be23782264e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.387188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030036/publication.txt
observed 84b564702c851eec8af013ad0aa21522...
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.