OpenTechnical

OT-2026-000057989

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000057989) never changes.

Identity and time

Publication numberOT-2026-000057989 · never reused
Internal UUID01a0ae88-6ed9-7506-9e7d-632759a1dcf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057989
StatusPUBLIC

Content hashes

Canonical text0c84f7222ce1812e8262447060ede03ec7883c8bad28bc9e21e8d4c5146b83ed
Markdowne1afaf49f66dadab2911a7296f726817cadb4bea65eb3556828ae2c395af79c5
PDF
Publication page1623d5b303278e0742ebb868b240816e6ead1891da427b908c9184814e743f97
Manifesta5c2aedd572dd4bd4b81c4218f769f5bf6f2a483b1f4c7866c5f4a53aa8f1cbc

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
SignatureEDNNNXdPS4vEFLEu6/bywu+3Uz8UTswuRMsUBuJmCfJ3UmVWQx5LvICsyri2QZhbm8Lov8I+o3d5UOiCAdagDQ==
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...

Independent retrieval

2026-09-17T10:47:37.079535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057989
observed 1623d5b303278e0742ebb868b240816e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.060933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057989/manifest.json
observed a5c2aedd572dd4bd4b81c4218f769f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.040655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057989/publication.md
observed e1afaf49f66dadab2911a7296f726817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.021651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057989/publication.txt
observed 0c84f7222ce1812e8262447060ede03e...
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.