OpenTechnical

OT-2026-000101993

Publication integrity record

Three bellows 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-2026-000101993) never changes.

Identity and time

Publication numberOT-2026-000101993 · never reused
Internal UUID01a0aea4-50f1-772f-924c-c08578779e2e · 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-2026-000101993
StatusPUBLIC

Content hashes

Canonical text02d720c9583da1119782b32c72e520e7042ef70deeeb5bd1621ccf6776c40e09
Markdowna15e18c9772a33e95454ef73ff4794bd138aefc98912fe495902fb269c214d08
PDF
Publication page1f7df43197688844c69b7c662067a251aecf4519680ba96af2b1f64141a93322
Manifest8c2191ce45d0c3423913545f1c4b41d4a88230fcd6463a4a6e708fe175530492

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
SignaturexmAjROg1dOiYQzMMXvamBw0QfFziKZtTRKF85QA12XjpXOWsQixcsX6uLSX2h2+Zs/paVh4DXHTQFQSX8PPRDQ==
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

2026-09-17T09:25:07.052106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101993
observed 1f7df43197688844c69b7c662067a251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.031488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101993/manifest.json
observed 8c2191ce45d0c3423913545f1c4b41d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.011402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101993/publication.md
observed a15e18c9772a33e95454ef73ff4794bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:06.991163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101993/publication.txt
observed 02d720c9583da1119782b32c72e520e7...
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.