OpenTechnical

OT-2026-000045375

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000045375) never changes.

Identity and time

Publication numberOT-2026-000045375 · never reused
Internal UUID01a0ae7c-f76b-7229-bd69-a978659d9521 · 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-2026-000045375
StatusPUBLIC

Content hashes

Canonical text8d44b98d26f815ab86d4c18818e21cf95cd792886dd4674d9a28cbae8cb14813
Markdown6ce70f18f4c4741a462a08c8222f56411f2d71a6735f12fd61497dd52afce57f
PDF
Publication page20a1925bb4a4f41e7cbe7d7738a10035e8bd73f1ea22b485d99fcf45b4ff2658
Manifest68676185904dc86b8aaaaee36da2781896cc76283decdbd8bf5de828f632240b

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
SignatureHSnz+e1ML8tUr4L5ls72hNdD5g2PV3zzMcX2ktZ7WpR4gphkjIeIMwgkRizsCX5BuY3zE49K6hXLWzjENEuDBA==
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

2026-09-17T11:10:39.161938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045375
observed 20a1925bb4a4f41e7cbe7d7738a10035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.142890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045375/manifest.json
observed 68676185904dc86b8aaaaee36da27818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.125127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045375/publication.md
observed 6ce70f18f4c4741a462a08c8222f5641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.106021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045375/publication.txt
observed 8d44b98d26f815ab86d4c18818e21cf9...
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.