OpenTechnical

OT-2026-000047908

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000047908) never changes.

Identity and time

Publication numberOT-2026-000047908 · never reused
Internal UUID01a0ae7f-c421-75e5-a0ae-04f1abafe643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047908
StatusPUBLIC

Content hashes

Canonical textc17c133137fe719dc11ab39d7a10808ae69fc91b26f8222db477f0259e7f2630
Markdown9b99a3ac5fb0162efba4c37e981274e2da82fecd9447fcab2afb8843ab0257ea
PDF
Publication pageb0629f454bce70c4d0ad22b467766dc63bfa8bfc9670d9de140a312fc2d65000
Manifest8b91c951d05bcac503af423cc653e2a33071f2f113bd46410bb077d1bc617384

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
Signature/e63/D77sS8ypydalsL1qYKR+CRWbK1gIFhmNn/2CBvXGqzwSdH8btlZ3aV1quIqfylHzJYsqfDZfR1Ev1wnBA==
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

2026-09-17T11:05:51.050838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047908
observed b0629f454bce70c4d0ad22b467766dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.033663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047908/manifest.json
observed 8b91c951d05bcac503af423cc653e2a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:51.014210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047908/publication.md
observed 9b99a3ac5fb0162efba4c37e981274e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.994915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047908/publication.txt
observed c17c133137fe719dc11ab39d7a10808a...
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.