OpenTechnical

OT-2026-000045339

Publication integrity record

Two cup vacuum gripper, two 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-2026-000045339) never changes.

Identity and time

Publication numberOT-2026-000045339 · never reused
Internal UUID01a0ae7c-f76b-791c-91bd-18c3dda811aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045339
StatusPUBLIC

Content hashes

Canonical text12ecb9e24b1ac68a146e468185c1648af7cc9737425628e4848d97beef428ca7
Markdown3463530b019c88f89208c25b07d01356e905a98caacd502c6fe853ebbfed5592
PDF
Publication pagedc32135e7bf1ed02445f65426292f49139a92b4245c11f8e1b59058fa40cd4af
Manifest5e14240d7dd4c644d111360a49f4fd97f0a6dd59d2bf0e44006ad05baccb581b

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
Signature5lqma3d1v8fiknLTzxkwCoqcagye3qyYiPAOnfFo7popRPD4Et3yZ6o8Tsv5lCVPo+z4p89sZLnU1JwEXUMFAg==
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

2026-09-17T11:10:35.905727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045339
observed dc32135e7bf1ed02445f65426292f491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.886934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045339/manifest.json
observed 5e14240d7dd4c644d111360a49f4fd97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.867527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045339/publication.md
observed 3463530b019c88f89208c25b07d01356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.849316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045339/publication.txt
observed 12ecb9e24b1ac68a146e468185c1648a...
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.