OpenTechnical

OT-2026-000066400

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000066400) never changes.

Identity and time

Publication numberOT-2026-000066400 · never reused
Internal UUID01a0ae8e-ce40-7702-b639-ae71c38843d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066400
StatusPUBLIC

Content hashes

Canonical textb1ab9d620d81e89d533c0c329069b80a484fbbe19a3e475daa9e507ecbc5acca
Markdownb3587681369ffe2216bcfeb0b1681d029cbea380060f684fd65a3bec7042711d
PDF
Publication page3560e81c27f1579d4c33058234d9db8fa668d3eda5a89383ceaaccace66c4a8d
Manifestb792c90eaab7f614aa31a0443bea4306e85a1cf55150df95765e60aa8ca0b2a5

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
SignatureVQc5BC0o2TQgzbvjn/TC++5BiapiTpWvmbD2bVazk8DRGI3+krAYJwm1kDMe7ECnxrhRiHaEeSU5ZBMYP9uPCg==
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

2026-09-17T10:32:38.101557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066400
observed 3560e81c27f1579d4c33058234d9db8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.084564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066400/manifest.json
observed b792c90eaab7f614aa31a0443bea4306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.067718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066400/publication.md
observed b3587681369ffe2216bcfeb0b1681d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.050254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066400/publication.txt
observed b1ab9d620d81e89d533c0c329069b80a...
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.