OpenTechnical

OT-2026-000064671

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000064671) never changes.

Identity and time

Publication numberOT-2026-000064671 · never reused
Internal UUID01a0ae8d-deb9-7c73-a6c3-8b003ab08c37 · 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-2026-000064671
StatusPUBLIC

Content hashes

Canonical textb20e8299cc053162c4faf9d5f466a53322bc3e0e0619a118f97ac4fd8a180178
Markdowna067c7599a002d5959c482d7182b1d53d95282ee6089497ab9af0d0b91a81b49
PDF
Publication page8916118e056f91158a77fec343ed2f39ef333e67eabc70c8fd526b3197965116
Manifest1069c57562c14a49141a596ccfbd2b5146f66ce71275449cf716f32210ce89c2

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
SignatureQln/ZUKJl5eTqQSMuBgJSgnThHFjrMd4QTNo3OA7UB7TmuLqUKMA18Ikr+4woKArcEXBaNXjKt1HUYKIvK9sBA==
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

2026-09-17T10:35:27.932397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064671
observed 8916118e056f91158a77fec343ed2f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.915325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064671/manifest.json
observed 1069c57562c14a49141a596ccfbd2b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.899061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064671/publication.md
observed a067c7599a002d5959c482d7182b1d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.881988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064671/publication.txt
observed b20e8299cc053162c4faf9d5f466a533...
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.