OpenTechnical

OT-2026-000044139

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold 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-2026-000044139) never changes.

Identity and time

Publication numberOT-2026-000044139 · never reused
Internal UUID01a0ae7b-d67a-7b2b-9529-aa0faa5b951a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044139
StatusPUBLIC

Content hashes

Canonical texted4c297016e8e146a3a548c4f381e5d71851957be22330a565e3adb0e4dd0d9d
Markdownb55443db79c8d74abd65ea99f6e32dd48cceb38df9ae6cc22f20f976b76bac40
PDF
Publication page46d455454fee8e912e49db217b26ac4c7a695b7829bf6794a5b8aa9a1ea564c2
Manifest1b53f1733fc3ac34fb2281f0123ac75d1531fb7f278bfb0d2ce5199dfa678e9c

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
Signature7TbnEMIwq5FOQ3iQJC0u8o9S08XMtvQQapE5cIFtu95BEGGnWzaLWqlhen/1lptZuLq2nbF/TU5AZWNTsWEjAw==
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

2026-09-17T11:12:33.623418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044139
observed 46d455454fee8e912e49db217b26ac4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.604450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044139/manifest.json
observed 1b53f1733fc3ac34fb2281f0123ac75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.586222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044139/publication.md
observed b55443db79c8d74abd65ea99f6e32dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.566752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044139/publication.txt
observed ed4c297016e8e146a3a548c4f381e5d7...
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.