OpenTechnical

OT-2026-000090961

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000090961) never changes.

Identity and time

Publication numberOT-2026-000090961 · never reused
Internal UUID01a0ae9c-c011-7702-9ef1-0790e5076b56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090961
StatusPUBLIC

Content hashes

Canonical texta4de24efa7479d17191859dc2b44e1c460466971771841dcedc9c14babcbfe50
Markdownb6769b6b88671f723fb20dbe17cd368e2f29dd6097e49d7371cfe53f64680632
PDF
Publication page1da1047f32589a76fa3fb362b5c21a1770806291cd98200d848f8b3dc7abc146
Manifestda4515968181326c0b5eca654ef634db113e77914c3951893fe0ae9ab8af0239

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
SignaturejnOEsTSzt3SnV4LCJQjABTL3ks17qkQQOUvbsJiKBx1bL1FnW03DmnKzPt4VCn0EFp0065GuoZX+8cq1s4uKBw==
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

2026-09-17T09:44:11.056484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090961
observed 1da1047f32589a76fa3fb362b5c21a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.038945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090961/manifest.json
observed da4515968181326c0b5eca654ef634db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.020268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090961/publication.md
observed b6769b6b88671f723fb20dbe17cd368e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.002694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090961/publication.txt
observed a4de24efa7479d17191859dc2b44e1c4...
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.