OpenTechnical

OT-2026-000025374

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000025374) never changes.

Identity and time

Publication numberOT-2026-000025374 · never reused
Internal UUID01a0ae71-5fa7-7c61-b97e-cf2f63544a5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025374
StatusPUBLIC

Content hashes

Canonical textd4b81d22682154863da63e25fb9b574f403946c9032f54d43b949a7a17b74a74
Markdown37da248d9af8e55a05326384f2587fcc42e514870d5f6aa2336de18347b0cb6d
PDF
Publication page3312b5d1c0745302457b9bf2b1d43d4ed0c30a6a9df56d7bf5ac4481fffde4f0
Manifestf13f8c79c2ff66ed2af0d332064e47d63b57a574731f4f8d10d7a3265bee660e

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
SignatureP2ZgUIedvl+FRXUmRSeFfPVKBnrkxPMV5yHX/9hLZVkbfLbuOWorSEGAFvTRHXiXtP+uwBpAu93lDiBUIxTpCg==
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

2026-09-17T11:47:26.204908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025374
observed 3312b5d1c0745302457b9bf2b1d43d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.187479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025374/manifest.json
observed f13f8c79c2ff66ed2af0d332064e47d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.170801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025374/publication.md
observed 37da248d9af8e55a05326384f2587fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.155197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025374/publication.txt
observed d4b81d22682154863da63e25fb9b574f...
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.