OpenTechnical

OT-2026-000062295

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000062295) never changes.

Identity and time

Publication numberOT-2026-000062295 · never reused
Internal UUID01a0ae8c-0abe-7755-8972-ac1509663231 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062295
StatusPUBLIC

Content hashes

Canonical text1d175647695200c9e60f21c5a6bd9e86373ae2095fb7db63c8023b0e2d52f637
Markdown4b3e218253b90d95c4fc24507e5bd7fe837248c9d2f2306afdc19c7950ad5fa2
PDF
Publication pagedf830c9d155b6ecd5eec17961f09d7e120094b58be8eaba49ae223ec7adf9af4
Manifest430f96d3130ebdea7b06060100c95710f1b66e8c9e2602b855e76a15f4755729

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
Signature8aQ+WhGKs/ZTU9lSNym9+PaAILZHOsS1oiuwV+wo+OAcaob7iwAI/0gEORJdh89fs/XQ0n3LfLzZm6yBVf3fBA==
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

2026-09-17T10:39:34.924059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062295
observed df830c9d155b6ecd5eec17961f09d7e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.905649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062295/manifest.json
observed 430f96d3130ebdea7b06060100c95710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.886424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062295/publication.md
observed 4b3e218253b90d95c4fc24507e5bd7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.865911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062295/publication.txt
observed 1d175647695200c9e60f21c5a6bd9e86...
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.