OpenTechnical

OT-2026-000083149

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000083149) never changes.

Identity and time

Publication numberOT-2026-000083149 · never reused
Internal UUID01a0ae97-c962-7f2f-91a3-a95258eeae14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083149
StatusPUBLIC

Content hashes

Canonical text855178958d929c92d5fac7aa2e600e0c147910a48c92f1b2ccb01fd88c40389b
Markdown4133aa57b0d1ff1978aa067d2a472d257750ae5f98abd3bcba1a11dfdd162bde
PDF
Publication page669a762ff2b58dcb9b0d02a4524663bd5faf649c3f313d2a1859d32208fd5665
Manifestcd4d01d4c0c7c33a5c2e517a5aa817a59f1c85c090ae77df55e4ec0e46b51a17

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
Signaturehiyxua3Wl1xXajHts1eBYHnQSeRK/tdJ/YmMlFAbG/ankwKJI+ZGqq2dvaT1yWKk+i9sULE8AgOjbC0IKdlnBg==
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

2026-09-17T09:00:51.401556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083149
observed 669a762ff2b58dcb9b0d02a4524663bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:51.375581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083149/manifest.json
observed cd4d01d4c0c7c33a5c2e517a5aa817a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:51.343167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083149/publication.md
observed 4133aa57b0d1ff1978aa067d2a472d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:51.151984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083149/publication.txt
observed 855178958d929c92d5fac7aa2e600e0c...
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.