OpenTechnical

OT-2026-000075443

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075443) never changes.

Identity and time

Publication numberOT-2026-000075443 · never reused
Internal UUID01a0ae93-f201-7104-9034-fd4d7826ec73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075443
StatusPUBLIC

Content hashes

Canonical text8e99d66874014e974eadd8e1d266c7ef348cecdd3053908472c554b54331c966
Markdowndb7e324849c47075d2927bf11272303dd075cd6e54abd2b746fe6c463642e724
PDF
Publication pagebb27302595eecbe0c14896e1ca1f912ec037017fdfbe5dc243a6a71091ec0e25
Manifest218652ea1336dfbbab85b061f86cfd6443ad000291330b1b92facc73dcc7e901

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
SignatureKrKy5vyvBnD3r1DAFXl5JYSwdxMt9K4tlIonnjRXdvX+LcNR3chz88bl/jj+jXkUiInHjKvj4ersHb6+3C6NDg==
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

2026-09-17T10:17:39.946083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075443
observed bb27302595eecbe0c14896e1ca1f912e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:39.802123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075443/manifest.json
observed 218652ea1336dfbbab85b061f86cfd64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:39.782783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075443/publication.md
observed db7e324849c47075d2927bf11272303d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:39.763248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075443/publication.txt
observed 8e99d66874014e974eadd8e1d266c7ef...
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.