OpenTechnical

OT-2026-000026745

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000026745) never changes.

Identity and time

Publication numberOT-2026-000026745 · never reused
Internal UUID01a0ae71-f4ab-7b14-8bb1-838881d455d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026745
StatusPUBLIC

Content hashes

Canonical text82379c4c385b9d2f4a4a618dcceec75f0db9303f01f7f39ffef89792b413ebea
Markdown4e460f64439acaa6dd7cd8ee0be7e8101f4061dac0380ec9036e875ae24495bf
PDF
Publication page0885739354a6faf19ab0c9f9ac452955d27b04d17b64a917714c42248dc25d58
Manifest8a26a82c5daa3f7c18fc307cf88eb606ee05a13cf7a96c8c38ecd0f5b45ef4b7

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
SignatureCsVvvCxhCbd6V0EHfIqbGSPBdXhKrMXegcDq8yoW7iO1g0Gc7evu+ED1YQqCpQYoGqHQyw8MWUSzz17N7ZxoBw==
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

2026-09-17T11:45:55.940288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026745
observed 0885739354a6faf19ab0c9f9ac452955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.923413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026745/manifest.json
observed 8a26a82c5daa3f7c18fc307cf88eb606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.906844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026745/publication.md
observed 4e460f64439acaa6dd7cd8ee0be7e810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.887858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026745/publication.txt
observed 82379c4c385b9d2f4a4a618dcceec75f...
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.