OpenTechnical

OT-2026-000003509

Publication integrity record

Vacuum gripper fed from a dedicated vacuum source at the tool

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-2026-000003509) never changes.

Identity and time

Publication numberOT-2026-000003509 · never reused
Internal UUID01a0a906-e06a-7513-b567-6a703401c9f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:03:15.309714Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003509
StatusPUBLIC

Content hashes

Canonical textd37749cc98a39a6d607b107ce0da9d71966c90535feb00d56cddf212e061bd5e
Markdown1118e97b1618734cfae6849c631fe3684e98a11c310c27b937b4216e0f922676
PDF
Publication page0da29c2b87c96d27c4a3e94ce78ffbfc945edf825dbdb4308141feca47a25dfe
Manifestada488a97d106c40be66edd5654afe8b59a4d9ece777992814dc3b401ef6118c

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
Signature6m2u/hdAJvg31IxJeeRd3v5CKzRI88HKE+d90dCh5PuV8aaelnG3iNDf7lI9qnCNjVu8aR5LI3HdkD8p3wW6BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:07:02Z
batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof
root e9da7eb1c397f1749e5915c5a39dbbcf...

Independent retrieval

2026-09-16T09:00:33.910640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003509
observed 0da29c2b87c96d27c4a3e94ce78ffbfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:33.896291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003509/manifest.json
observed ada488a97d106c40be66edd5654afe8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:33.880167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003509/publication.md
observed 1118e97b1618734cfae6849c631fe368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:33.739898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003509/publication.txt
observed d37749cc98a39a6d607b107ce0da9d71...
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.