OpenTechnical

OT-2026-000101903

Publication integrity record

Two cup vacuum gripper, two 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-2026-000101903) never changes.

Identity and time

Publication numberOT-2026-000101903 · never reused
Internal UUID01a0aea4-50f0-7cce-b28e-28073381168a · 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-2026-000101903
StatusPUBLIC

Content hashes

Canonical texteecf13c762c7759ded7e66cd04e5544dee4b170f0c5016c3c24a28abdf66c7a2
Markdown6c4b41ded24e6392eee746f72f5ac9890fef76651ed72df1df5eb8d334badc61
PDF
Publication page9610641de3450ce94ea7096bbbab1433ba8aaa84889bb2d3f36e93eae45a4d86
Manifest044476d11a2a6b7dc68e0523f3058683ec4d6a2e62b381be6159fda2082b5e70

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
SignatureKirvbuNB2Kff1/8UsD3HEz6zSngjC7JOUBL8FjN5F2WdlKDJIQDy/fhFI5FwSB/N8U9aeyXngMQn2KmdnX6GAQ==
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

2026-09-17T09:24:30.763518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101903
observed 9610641de3450ce94ea7096bbbab1433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.746570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101903/manifest.json
observed 044476d11a2a6b7dc68e0523f3058683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.726716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101903/publication.md
observed 6c4b41ded24e6392eee746f72f5ac989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.710455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101903/publication.txt
observed eecf13c762c7759ded7e66cd04e5544d...
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.