OpenTechnical

OT-2026-000069590

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000069590) never changes.

Identity and time

Publication numberOT-2026-000069590 · never reused
Internal UUID01a0ae90-b52b-70ad-b085-90c5921220d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069590
StatusPUBLIC

Content hashes

Canonical text09033624f5321f5c7ef499e6ca3c011583685866b6e8d78948afd38a1f366d4a
Markdownf63980271713a9859ec63c2231477e13c090d6e0eb6cdac00c135f95f665558f
PDF
Publication pagecc48269e8db3d58503f79026f2160c72f192e6fc0ff5a050b85d7dc677864aa9
Manifest253e72e1eef64dede65177fdb06f504dbe2976447bc5c8c8ea4a4f0d5d98a4d8

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
SignatureuNFva4UiDLkSAI89B/bJ9pJtZbNhH19fPUyQOUNjZv8lmbZXKAY6kwC513g47/MwaBaFVKFaex988TJOtSP4BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:14.888419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069590
observed cc48269e8db3d58503f79026f2160c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.871443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069590/manifest.json
observed 253e72e1eef64dede65177fdb06f504d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.854021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069590/publication.md
observed f63980271713a9859ec63c2231477e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.838468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069590/publication.txt
observed 09033624f5321f5c7ef499e6ca3c0115...
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.