OpenTechnical

OT-2026-000015928

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off 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-2026-000015928) never changes.

Identity and time

Publication numberOT-2026-000015928 · never reused
Internal UUID01a0ae6e-0c4d-7ff0-9eac-ec2a0d177668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015928
StatusPUBLIC

Content hashes

Canonical text27401a3d6350cbf61d3a1717a59b2675ef575119e8d0972f354fc8b46f91abfd
Markdown586a3f8e7416fd6df2477291f4166019526e79def25bf126c820e9ff07cc8565
PDF
Publication page135fa552f8e5b17185b5016522dc6bbbb873141e435c33cdd7a58264748ec614
Manifest4dacc468fc68b556cc1b8de5efce14ee0daa62ce90971120fdec4b25788701a2

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
SignatureH2VmvP/KxXfuizbg/tQtxOUdYj0LKp2KE7diDxFfyqNzAjkJxO18SDiwjxjF53DXm7Jn96XkjvOpu3nZFkiRBg==
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

2026-09-17T12:05:23.934613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015928
observed 135fa552f8e5b17185b5016522dc6bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.916165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015928/manifest.json
observed 4dacc468fc68b556cc1b8de5efce14ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.898653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015928/publication.md
observed 586a3f8e7416fd6df2477291f4166019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.879589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015928/publication.txt
observed 27401a3d6350cbf61d3a1717a59b2675...
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.