OpenTechnical

OT-2026-000049454

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000049454) never changes.

Identity and time

Publication numberOT-2026-000049454 · never reused
Internal UUID01a0ae81-8f7c-7739-ac6c-2690380fe11e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049454
StatusPUBLIC

Content hashes

Canonical textdd99d91ac3408fa93d4b6b0fe398f52d27a379feb5a75e9366e1ad6fb686ec7f
Markdown0aa593ba5ba2e30af4e393c34b4b2cd1acac4e082f1b7a187d18eeeb268ec06b
PDF
Publication pageb673fc2a588dd9e0adfdf441ec4374493e099382475bebd4e9c630a58714c51e
Manifest84b2644d22e9e19b84fdcd7f89ad21019e898c55bf76043785c0994ae92d0ab7

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
Signature4/L64WnM17uW1UeB3G7O4HukFJqypzKKKRQGXPyLwtF8tNKRqGNC1sPJW+l/Pz6nriP2cA7u0sl83n5JQKRnBQ==
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

2026-09-17T11:02:17.446925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049454
observed b673fc2a588dd9e0adfdf441ec437449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:17.428199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049454/manifest.json
observed 84b2644d22e9e19b84fdcd7f89ad2101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:17.410090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049454/publication.md
observed 0aa593ba5ba2e30af4e393c34b4b2cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:17.389362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049454/publication.txt
observed dd99d91ac3408fa93d4b6b0fe398f52d...
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.