OpenTechnical

OT-2026-000018241

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000018241) never changes.

Identity and time

Publication numberOT-2026-000018241 · never reused
Internal UUID01a0ae6e-b488-752f-9562-81a7116d995d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018241
StatusPUBLIC

Content hashes

Canonical texte24054284a0ce276a88a62cb0d0fee839b1215a3708a26629f5ff0c7d1a37ff7
Markdown807c9accc4d698d5fb198daadab8cf15a9b3154d76cf47347f2441a7386746ab
PDF
Publication page95716734c17a03e5b8a6357078cc98436f2a2034e179d8f60861fa6cfc203cab
Manifestcd2fe49594f1b76e98f46ecbbc3a10e12fd40d5fd42ad031454fce78bfd5d6cd

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
Signatureqsy9ZGInK5/G83hlRgXjpowKky4nB2hTCN0uV6vvWyH+nf3b3LJ21/WxKvGzgzogt5soXdy6+yFNowfnLMwnCg==
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

2026-09-17T12:00:03.415850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018241
observed 95716734c17a03e5b8a6357078cc9843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:03.398104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018241/manifest.json
observed cd2fe49594f1b76e98f46ecbbc3a10e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:03.374638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018241/publication.md
observed 807c9accc4d698d5fb198daadab8cf15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:03.352700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018241/publication.txt
observed e24054284a0ce276a88a62cb0d0fee83...
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.