OpenTechnical

OT-2026-000064911

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000064911) never changes.

Identity and time

Publication numberOT-2026-000064911 · never reused
Internal UUID01a0ae8d-debd-79a2-92f6-435fdc4a6d66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064911
StatusPUBLIC

Content hashes

Canonical text883c4415d64b64a378ed35f1bf42506de4c9f1fd7f56952b8976dda8583047eb
Markdown6de59abd81de79f744c56316dbc804e4e19345589bdfde6ead9bb1cdd9708fb9
PDF
Publication page06c3cd5eafc947331bf7fedae75a42b3ec41e0e8926deea4f7f2831dae34da2c
Manifest0182f683744649662624a34e471f15f0c2e1e6d80e2cc762e541687dc43ca755

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
Signatureu99bfB80Nc3BJhBPqEwfJyrh805yTyX3I2Q5leWo5rmUEiTtpPalm1g6Rsl16bWO1v4ivLz1ZuOZ2i06uKQfBg==
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

2026-09-17T10:35:50.623594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064911
observed 06c3cd5eafc947331bf7fedae75a42b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:50.606784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064911/manifest.json
observed 0182f683744649662624a34e471f15f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:50.589626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064911/publication.md
observed 6de59abd81de79f744c56316dbc804e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:50.570867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064911/publication.txt
observed 883c4415d64b64a378ed35f1bf42506d...
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.