OpenTechnical

OT-2026-000061388

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000061388) never changes.

Identity and time

Publication numberOT-2026-000061388 · never reused
Internal UUID01a0ae8b-7b42-78aa-94e3-a5a2e2d5c67e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061388
StatusPUBLIC

Content hashes

Canonical text3529846114399333a00e81f080a0d62e1dc6c638d81b459c2b89d2a8834d92c6
Markdown76cdea298e6c4acd5190270e2bc56209e347744579ad0d84535c50b79a1bb3f7
PDF
Publication page9c94e0609902348b69e8dab8d33126350a069c0d52d52f04334ba38d03cd4b3f
Manifestfa51afa33a991a430c8a633ef5c70f3b8be4486e557ca7f8ddaba000f6233ab0

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
SignaturewNtLE3eS14pj6sv7U//ltoMv9NtD+B9T8TnVDKIJ5DOw3ZZNJi83SYHsErtsOovKrMTCIBI0DPviC0JCi6pzAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:14.876058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061388
observed 9c94e0609902348b69e8dab8d3312635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.857696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061388/manifest.json
observed fa51afa33a991a430c8a633ef5c70f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.839645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061388/publication.md
observed 76cdea298e6c4acd5190270e2bc56209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:14.822389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061388/publication.txt
observed 3529846114399333a00e81f080a0d62e...
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.