OpenTechnical

OT-2026-000047479

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000047479) never changes.

Identity and time

Publication numberOT-2026-000047479 · never reused
Internal UUID01a0ae7f-3e58-79d1-b85d-df203b92f559 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047479
StatusPUBLIC

Content hashes

Canonical text325abd3ca86d4b3f38092caea2c00f5e9a4bf01897da8a71683be154c1dfe30c
Markdown59ecddb77544fcb6fcad9ec9d40fb6efa0f5112c657bc6a4a88e27b31cf39181
PDF
Publication page5e33814008acac3aaef21e0f1e1a3a2cb7c81cc20a03ca793e92adb76f64b0fe
Manifestdc413082ca07235e14c9068a2f76192b240b828f71da5d00a9a8a1adb4ce89cf

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
SignatureohJlqEN+8sLK+KYptFKnOBdoyJWBYOOnBON4vpMK5QLCTND+ydssqEKpGZqu4Y2b90VwvkcSfb++7LTJNDGbCw==
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

2026-09-17T11:06:31.044132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047479
observed 5e33814008acac3aaef21e0f1e1a3a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.024189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047479/manifest.json
observed dc413082ca07235e14c9068a2f76192b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.005203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047479/publication.md
observed 59ecddb77544fcb6fcad9ec9d40fb6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.985387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047479/publication.txt
observed 325abd3ca86d4b3f38092caea2c00f5e...
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.