OpenTechnical

OT-2026-000074934

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented before set-down

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-2026-000074934) never changes.

Identity and time

Publication numberOT-2026-000074934 · never reused
Internal UUID01a0ae93-ac2d-7693-afa7-e0cfd98848d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074934
StatusPUBLIC

Content hashes

Canonical text6c606ba2826b7ac2184e52111bb4bbffebb072723b49166256804cd565a4691f
Markdownfe5992089c4fa1eff9f1db81c2cb7abc1164d693196d186afee236844856317b
PDF
Publication page54374547db02fbebe206987fe7989d51aa15f2fb0706169aca3350fc91b1fe5e
Manifest0c7248f2d4ac5bbf492ac057ee4500417d8069393c9c4d1efec3a761053aa9da

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
SignatureHykasFzHhAQrqO2493I/dbwlrdZSMG7bfs2ar7UTXbWxHmKQzHzmsIJXID2St71OEpLkiFLxKt9ed1yzVirnDg==
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

2026-09-17T10:18:39.786097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074934
observed 54374547db02fbebe206987fe7989d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.768483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074934/manifest.json
observed 0c7248f2d4ac5bbf492ac057ee450041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.751581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074934/publication.md
observed fe5992089c4fa1eff9f1db81c2cb7abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.734597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074934/publication.txt
observed 6c606ba2826b7ac2184e52111bb4bbff...
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.