OpenTechnical

OT-2026-000029942

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000029942) never changes.

Identity and time

Publication numberOT-2026-000029942 · never reused
Internal UUID01a0ae73-ac48-71c9-8de0-dc269a872706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029942
StatusPUBLIC

Content hashes

Canonical texta0a2bf2dbcf625f3b58b4571f8f93d022fb29771e786a0f400ff6c41e3c214a0
Markdownff0335d4cc000ab197db2bccfc3619cacb42314a319a0bb7d4fd2d10b52c2e8a
PDF
Publication pagee243279e773f1c62d82122508437c6696d7ee08c5e5c8c08011d029ee98d4bf2
Manifest0dfa0fb35168f005b67b916ac57d79a6e883eaa5dd2fc9fe4c07dd90e0985d71

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
Signaturew1ijGBxV9cy6RAsr7Qy0APIHU+TnpjxrReJaJ/CSc+ADqMe+0BqePTCbAHHar239vNEVFIiQE34mC0xU94tKAQ==
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

2026-09-17T11:38:39.248141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029942
observed e243279e773f1c62d82122508437c669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.230318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029942/manifest.json
observed 0dfa0fb35168f005b67b916ac57d79a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.212955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029942/publication.md
observed ff0335d4cc000ab197db2bccfc3619ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.188620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029942/publication.txt
observed a0a2bf2dbcf625f3b58b4571f8f93d02...
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.