OpenTechnical

OT-2026-000098682

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000098682) never changes.

Identity and time

Publication numberOT-2026-000098682 · never reused
Internal UUID01a0aea2-42ae-7f00-84bf-eaace93628b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098682
StatusPUBLIC

Content hashes

Canonical text99341ede6e9a1a36b14cc7a0f9ee6589a01ec739de73aeda913079715814e197
Markdownee3150e28e671d30a929459b530efcba644936a7c6e63fcf79c2f987a581f822
PDF
Publication page00dd5f257fc73c5f97cde2aa9e89d3c2c9b77f0b9a174ffb065069cded0925fd
Manifest6f18ed7e11528b0fb484490a3d93bbcb3ba8a2fc5c181618470ced34d6b5594b

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
SignatureuLDXfn8nBIsYqtoTJNyk43u7rpBcSSSNiJR2IGMQddTbV0R4+9Qwpzhx4KNVmnuAJEMDE6oXK7rQ+Zshs15DCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:59.047061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098682
observed 00dd5f257fc73c5f97cde2aa9e89d3c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.031122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098682/manifest.json
observed 6f18ed7e11528b0fb484490a3d93bbcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.013701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098682/publication.md
observed ee3150e28e671d30a929459b530efcba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:58.996653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098682/publication.txt
observed 99341ede6e9a1a36b14cc7a0f9ee6589...
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.