OpenTechnical

OT-2026-000025285

Publication integrity record

Four cup vacuum gripper, four 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-2026-000025285) never changes.

Identity and time

Publication numberOT-2026-000025285 · never reused
Internal UUID01a0ae71-5fa6-768e-83c7-15c276686152 · 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-2026-000025285
StatusPUBLIC

Content hashes

Canonical textdf1639943af0c013edadaaabdf5f6cc6f00ab7b9542cccd3bc2e15bc46e2b563
Markdown521018c4eee42a127ba89fd98e5337018ca4a459a8d3651799fb6985395ae1a3
PDF
Publication pagef79b45012e01b163e968a320a19913636868464f8035b7d6639fdb41d04bfeac
Manifestab6b35636c0cec9f7912c6f5caca8029e8675233939ca578f12a4fbb34277a64

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
Signatureqtp4U4wGPghUAjL7m8hKl+19waPdytvx7kXjkcKJ3fyxAdgG8z7lXuLyte3kzD+NPJk78HscJwPdi5tdU2XWCw==
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

2026-09-17T11:47:17.831642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025285
observed f79b45012e01b163e968a320a1991363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.811342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025285/manifest.json
observed ab6b35636c0cec9f7912c6f5caca8029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.793323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025285/publication.md
observed 521018c4eee42a127ba89fd98e533701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:17.774787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025285/publication.txt
observed df1639943af0c013edadaaabdf5f6cc6...
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.