OpenTechnical

OT-2026-000048385

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000048385) never changes.

Identity and time

Publication numberOT-2026-000048385 · never reused
Internal UUID01a0ae80-4de4-735c-ba2b-53627f8032f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048385
StatusPUBLIC

Content hashes

Canonical text16342ff77c17d045446c60cfe293bd0206a32a3b70e34d311f14fadde6ae4552
Markdown1073ed0e8b2dca4108333d1dee62a3014dc7ead4e2f2f0fa9b5290e76ccbeffa
PDF
Publication page85c93ecfa6375e834bd1fe859c19c6f46e0f6cae69dc751e333227e1d6b7d1fc
Manifest2693793cb60f7466c9fbd3bc0df469d6d4fca69c4b0af9583aced819584303a9

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
Signatureg1udDDA7L8m5wZxT9b1fIe2VBjN5blNObWTKvjS3dGkS3yCFDLc1PpnNdiN5ORQ1o8M+JAzBVG7CM00SsoTHBw==
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

2026-09-17T11:05:00.939726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048385
observed 85c93ecfa6375e834bd1fe859c19c6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.920978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048385/manifest.json
observed 2693793cb60f7466c9fbd3bc0df469d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.897572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048385/publication.md
observed 1073ed0e8b2dca4108333d1dee62a301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.877277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048385/publication.txt
observed 16342ff77c17d045446c60cfe293bd02...
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.