OpenTechnical

OT-2026-000013223

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off before 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-2026-000013223) never changes.

Identity and time

Publication numberOT-2026-000013223 · never reused
Internal UUID01a0ae6d-6fc9-71b2-8a77-4f143f45d9b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013223
StatusPUBLIC

Content hashes

Canonical textdd48ae2ed93954f95141bc2ad5824432d73fdf17d77d058b772b8cea532c5d14
Markdown64d247fe364a3be0f4cca20d6fd6fa3bac80eec92ed22ee35e08c84466514a2b
PDF
Publication page80a46105ae3f37052c2f708ad9f9a798fa9e1a2c6abc74f5f49d31586a648f0d
Manifest52467ea92c5948d43ec96f5fc8b17c6b333d8ea35cbdc18f066545ea7e0bd0a6

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
Signaturez3fEWqvgs4hf+SEORemkETRnlRywvFC2vZgWczNAIiCfBsUpixxw8rvbzawTr+6n8KzLXty5US5JIca0cyuIDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:37.056448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013223
observed 80a46105ae3f37052c2f708ad9f9a798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.036981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013223/manifest.json
observed 52467ea92c5948d43ec96f5fc8b17c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:37.014102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013223/publication.md
observed 64d247fe364a3be0f4cca20d6fd6fa3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:36.993373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013223/publication.txt
observed dd48ae2ed93954f95141bc2ad5824432...
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.