OpenTechnical

OT-2026-000057895

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000057895) never changes.

Identity and time

Publication numberOT-2026-000057895 · never reused
Internal UUID01a0ae88-6ed8-7523-b4a8-8ec6f95ab0ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057895
StatusPUBLIC

Content hashes

Canonical texte08edd6230413623308a3cb5baaa548e2d880410a091d77a05648faa3c84c7ac
Markdown2675259773987436c6717639b1744669f4f473ef7ff1c94600e25f38d2055d66
PDF
Publication pageb6e014daeb5534cfff9ef7d04033816362738773f0ba9f67f755fc31ea4c0467
Manifest8192144583bc3ae4bc421afae8fa436452e23b77f2a4155ec39efbfba25dd1d6

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
Signaturey5K9jt9zUFCqgtWhNtDXKOd6qwdkod4oM2QiwhiV8fyrrO/v4yGoR7yFLSiXdfIolCbNw5wkM2Gs3fm9pSWFBg==
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

2026-09-17T10:47:29.351721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057895
observed b6e014daeb5534cfff9ef7d040338163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.333612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057895/manifest.json
observed 8192144583bc3ae4bc421afae8fa4364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.316532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057895/publication.md
observed 2675259773987436c6717639b1744669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.296858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057895/publication.txt
observed e08edd6230413623308a3cb5baaa548e...
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.