OpenTechnical

OT-2026-000102012

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed 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-2026-000102012) never changes.

Identity and time

Publication numberOT-2026-000102012 · never reused
Internal UUID01a0aea4-50f1-7286-873d-2b77d99e377f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102012
StatusPUBLIC

Content hashes

Canonical text23f804148eb2307972e13d43fdc6ad6c88d41819d8cd2869fbcab3eb699ee34b
Markdown8614254875de3f89e293f3c90485323a9dd32bb9626035b71896f0213adbc053
PDF
Publication pagec6974bb359d8323211e3a1036bd1ea5f54311b75ecc880b4c8e70882ec5f3192
Manifest26f92320e4b4320edf8fd0c36f091e1ec4fae81d0d4fc0844fb3a493046c29b8

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
SignatureiS2gDcZUAXw72dVvnMKwQWncdqm3oZKt2JGcjYMxaEXuwicgLve9UJkxbYvmr4oZrokfpAtCZTx0epC+MLGUAQ==
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

2026-09-17T09:25:08.524039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102012
observed c6974bb359d8323211e3a1036bd1ea5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.506492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102012/manifest.json
observed 26f92320e4b4320edf8fd0c36f091e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.488878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102012/publication.md
observed 8614254875de3f89e293f3c90485323a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.471606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102012/publication.txt
observed 23f804148eb2307972e13d43fdc6ad6c...
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.