OpenTechnical

OT-2026-000102950

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000102950) never changes.

Identity and time

Publication numberOT-2026-000102950 · never reused
Internal UUID01a0aea4-be3c-78ed-9c05-ed561497f8da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102950
StatusPUBLIC

Content hashes

Canonical texta5039ca2f25635595f579cdb69bf8cabbc0faf2a1e82cf1996f9c4a1a9331285
Markdownb06a22e722d0c8ca98e8dd73507347ed0aeddfcf42385f61b6663325ace00c22
PDF
Publication page9b0a72fbf595f7fe4a28d02bce13d3b0cc34c7640531582af2e001cb7ca66e02
Manifest43f5d86366ab3d66d0288a7f2278fe5d668bc56c74534ee7595c21347a1e4646

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
SignatureyzPHsYkJfw00FiixB4WhiED8j+RyJCp0jzao8nPblfsLfJwoz7M5bWoxwfBrP61CojRAg+pIyYUYswXey+1ADQ==
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

2026-09-17T09:23:03.373557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102950
observed 9b0a72fbf595f7fe4a28d02bce13d3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.355294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102950/manifest.json
observed 43f5d86366ab3d66d0288a7f2278fe5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.336449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102950/publication.md
observed b06a22e722d0c8ca98e8dd73507347ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.317485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102950/publication.txt
observed a5039ca2f25635595f579cdb69bf8cab...
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.