OpenTechnical

OT-2026-000030417

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030417) never changes.

Identity and time

Publication numberOT-2026-000030417 · never reused
Internal UUID01a0ae73-e503-732b-8471-4b4f4e22659d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030417
StatusPUBLIC

Content hashes

Canonical textaa54d6184595a74ef288388edcd53cf75095de07af4671f9c2313db5bf69b338
Markdown8d9d3866c922fe1a0f210a72871725fb151542e12d925ca1bc7a84e4ade761fa
PDF
Publication paged9787df5c10283eaec4d3f4bf10c42feb92280a0187c3f9e3e7adb597c4fc64b
Manifestb4695d5bd73942039144006c3233f67ea1f59126c9e215d15514e04a4ca27f80

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
Signature3Bv1XjUmpuPq2HOCI20aMI4OWVkqj3JitKoCzPQDHsuHrGqu47EwaC1slvU0SHN/rU5SQzsXxFZW97xjVi/8BA==
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

2026-09-17T11:38:09.082032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030417
observed d9787df5c10283eaec4d3f4bf10c42fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.066070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030417/manifest.json
observed b4695d5bd73942039144006c3233f67e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.048944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030417/publication.md
observed 8d9d3866c922fe1a0f210a72871725fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.031496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030417/publication.txt
observed aa54d6184595a74ef288388edcd53cf7...
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.