OpenTechnical

OT-2026-000056173

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000056173) never changes.

Identity and time

Publication numberOT-2026-000056173 · never reused
Internal UUID01a0ae87-0a4c-77e0-b68d-b81baad9509d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056173
StatusPUBLIC

Content hashes

Canonical textf362f12fc094c2bb5d480c2230aba8a1fc7d217c02c39fad77a19f17ee0d04fe
Markdown4befd1a204ef24604218c7e7878ba1a5789b9a7d35743249f09a52760c85aa11
PDF
Publication page095b89de590b542f89ed7ff4203d83241514bd013fc20fb189139f48c6f72166
Manifest3141da7115ccae983072e923b771a5b7a14b24cadad9a0db0c6bce1bec0efe51

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
SignaturedKhiSsLWSGJ3HFBdrbMsli4Re0WFUOsHfWRfy5sjcgCBVO4UwQ5eTa4KPcQik57fqlcQaBy1GCiAKL2WKt/ABg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:44.016709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056173
observed 095b89de590b542f89ed7ff4203d8324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:43.998090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056173/manifest.json
observed 3141da7115ccae983072e923b771a5b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:43.980037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056173/publication.md
observed 4befd1a204ef24604218c7e7878ba1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:43.961421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056173/publication.txt
observed f362f12fc094c2bb5d480c2230aba8a1...
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.