OpenTechnical

OT-2026-000056277

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056277) never changes.

Identity and time

Publication numberOT-2026-000056277 · never reused
Internal UUID01a0ae87-4bd1-7482-bf5c-b30457684dd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056277
StatusPUBLIC

Content hashes

Canonical text63658f52c29d9b8460467c3a3fb05ec016199b8b1466c2988cdb5059ed9b6e1d
Markdownff303d028816f5eea67eca3584e5a74fc24a116e213d19b7bec8f26d0c3603a1
PDF
Publication page2eedbb5bbcbd03a6409c1c45ad65f17bc17b2a60438984ecdad7424e202b5ac6
Manifest479793d46e2c9e7dc2c7db8a70f218c40acd205d36ce562b1117c1bde3cbb34a

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
SignaturerjoYH2zvLtKtQFCq/KLtWBRpw8yil6nllwvi/dOUH/GAZu+Scmg6Bko8i7aE1bqTC62RK+3D/DcAsILSRcQfDw==
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

2026-09-17T10:50:45.897037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056277
observed 2eedbb5bbcbd03a6409c1c45ad65f17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.878726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056277/manifest.json
observed 479793d46e2c9e7dc2c7db8a70f218c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.860958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056277/publication.md
observed ff303d028816f5eea67eca3584e5a74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.843050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056277/publication.txt
observed 63658f52c29d9b8460467c3a3fb05ec0...
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.