OpenTechnical

OT-2026-000041357

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000041357) never changes.

Identity and time

Publication numberOT-2026-000041357 · never reused
Internal UUID01a0ae79-b144-7419-96e6-17cb0901c6d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041357
StatusPUBLIC

Content hashes

Canonical text919bac5cbdeda8ec0cc2481df61e8d8bd8a42fac608b3d417c8e2bd4529a2625
Markdowne172e97c4475509592ee4bd101a7be5ea2e9a2af39f77f165fa41eacf42b5f4a
PDF
Publication page9e1bac07a8429b418b5e8ba0407e44ef509e08ca1334ec3b0eecd6e5b4e13b0f
Manifest51da20ea694e8906a47f9f4ede016ff8026c36673806e678f20cf7ffb09a3820

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
SignaturesY1ZrDDDM5Q+kbDN9twhB2SoP/RgJN5JBT/NlWljsawEHOkwqfluTOfat1xSRBqqbXNkdgJ7QRhohmfNytaOBA==
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

2026-09-17T11:17:21.525236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041357
observed 9e1bac07a8429b418b5e8ba0407e44ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:21.506120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041357/manifest.json
observed 51da20ea694e8906a47f9f4ede016ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:21.490460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041357/publication.md
observed e172e97c4475509592ee4bd101a7be5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:21.474424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041357/publication.txt
observed 919bac5cbdeda8ec0cc2481df61e8d8b...
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.