OpenTechnical

OT-2026-000064635

Publication integrity record

Four cup vacuum gripper, four zone face, single 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-2026-000064635) never changes.

Identity and time

Publication numberOT-2026-000064635 · never reused
Internal UUID01a0ae8d-deb8-74d4-bdbc-970bc7484b66 · 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-2026-000064635
StatusPUBLIC

Content hashes

Canonical texted4279a2df1206c0f49978d53eeb19e4471a30d87beeea87db4196e5643a1590
Markdownc4668b001f8f6505604bdc67b1a73735dac8831001d71f7cd4710631a0f81270
PDF
Publication page52baa44786617e4defd7a8d7828a856933208b4d567a40477ad55372d49fc91d
Manifest56c70308a2406aef12e3e06bb855d885a51b7ad6ea43e70f841bd48ec02a8809

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
SignaturezXbC2fTJ5M/iOUpCNiJiLVsFIpayjdPdkjGeLtCnbI7I0hcj37hSfCRTSADD3uO7xrgMeh5fG/i/IE8sR9E1AA==
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

2026-09-17T10:35:25.064040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064635
observed 52baa44786617e4defd7a8d7828a8569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.046610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064635/manifest.json
observed 56c70308a2406aef12e3e06bb855d885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.027986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064635/publication.md
observed c4668b001f8f6505604bdc67b1a73735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.008993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064635/publication.txt
observed ed4279a2df1206c0f49978d53eeb19e4...
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.