OpenTechnical

OT-2026-000020844

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000020844) never changes.

Identity and time

Publication numberOT-2026-000020844 · never reused
Internal UUID01a0ae6f-65e3-7512-a0e0-e67dfa585404 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020844
StatusPUBLIC

Content hashes

Canonical text3864284757161bb09e0d30e4a2a3b4f2ab71d79284359d3f4fb6b6cca1fec3d1
Markdown5d5b82d2c5b1b51d08dcbe958de34914e9cb51ff84862d5e95e00a7754574634
PDF
Publication page53a40e1b344085f4560445e2a2bcf35064e9712994a7d42632b9d43ec5addd07
Manifest10aa86d09c6aaadcfa7e4dbad7151b43fe00c9589555108cac0edad682904f2f

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
Signatureyh7j1scLIeuuVaD3PoCcz9WScMmfxbP6fKBkHcf7FsN7lP4P6pLAiGMIcTuaRAJdel5ufdxu3MtTEp2+luCgBQ==
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

2026-09-17T11:55:56.536670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020844
observed 53a40e1b344085f4560445e2a2bcf350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.520144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020844/manifest.json
observed 10aa86d09c6aaadcfa7e4dbad7151b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.502577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020844/publication.md
observed 5d5b82d2c5b1b51d08dcbe958de34914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.483305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020844/publication.txt
observed 3864284757161bb09e0d30e4a2a3b4f2...
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.