OpenTechnical

OT-2026-000045307

Publication integrity record

Two bellows 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-2026-000045307) never changes.

Identity and time

Publication numberOT-2026-000045307 · never reused
Internal UUID01a0ae7c-f76b-7c15-a21f-15cf5b96532c · 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-2026-000045307
StatusPUBLIC

Content hashes

Canonical text09b60a76f262fc6671b9efd7a981bdfc69433d34cf0a6fc49099805d8fed6bd6
Markdownc1ed9e11546bfa25b5c5170ba90047ee290df09a0574c79cd63aa8e19974a3c8
PDF
Publication page0a42494301e12a6c4a0ac61bf1c50fe863c94cd81cc9cb8bc45609a08dfbac36
Manifesta356b6c337342680a42c775196076a9b3758c7783ff2c6544ea66d2d41ddc8ac

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
SignatureOaJZ6CT7dN52l/GUICQGLdZ0EgwE31t84u4Zg9qxtBGkELIFflP4NBLW25s+KYYsPP8cLPuBswdMu7SU63z2AA==
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

2026-09-17T11:10:33.253326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045307
observed 0a42494301e12a6c4a0ac61bf1c50fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.231266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045307/manifest.json
observed a356b6c337342680a42c775196076a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.209670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045307/publication.md
observed c1ed9e11546bfa25b5c5170ba90047ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.190493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045307/publication.txt
observed 09b60a76f262fc6671b9efd7a981bdfc...
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.