OpenTechnical

OT-2026-000013875

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down

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-2026-000013875) never changes.

Identity and time

Publication numberOT-2026-000013875 · never reused
Internal UUID01a0ae6d-8de9-7eff-9748-4c47330001ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013875
StatusPUBLIC

Content hashes

Canonical text0afb550448d6d4b2093115e7043682d52dab43aa2bfc0a94a38698cabc6f1a06
Markdown612a990c3087d80d7f080964d6c8c65004b1685571df188e522d965d0e418bb6
PDF
Publication page5d615c7aa5c71554c36625d9d0b95309d5d02d7d74bc14a94222607215921893
Manifestbed53360043b94f484edcf606fafc7e586188587066b346f823717598d9d24d3

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
SignaturertzUVt9XllHjBgtR9p9vYlIl+XN+dHAW8fV0VuEFAeQHEr0GrS6/yWJRipbPWu5NZBo892Q5KhvQMTrBBDN8Dw==
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

2026-09-17T12:08:59.537402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013875
observed 5d615c7aa5c71554c36625d9d0b95309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.520465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013875/manifest.json
observed bed53360043b94f484edcf606fafc7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.503464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013875/publication.md
observed 612a990c3087d80d7f080964d6c8c650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:59.485564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013875/publication.txt
observed 0afb550448d6d4b2093115e7043682d5...
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.