OpenTechnical

OT-2026-000018654

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018654) never changes.

Identity and time

Publication numberOT-2026-000018654 · never reused
Internal UUID01a0ae6e-d520-75b1-aa8a-bca4cab17d09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018654
StatusPUBLIC

Content hashes

Canonical textc408466409d2ce0bc7baacf587c1b9318bb38e37739f56f1001a98348176e07c
Markdown5d7d125b515f019bc53294d45f419325e6ae2085edfd20b87de71f8a59c72a11
PDF
Publication page4f05943eb71bd0726e99439fa500d766bc5f80ded5da1398e1a9f3444611abbe
Manifest66d0f95ae933aa11fc6746f510b09a92e30703a1250ccc07c2d8e43d4e38fe41

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
SignaturehwqmcXXZmg1CKnjt6oRb+9P+IF2FkMyAe1W/P+5bpvzZ7L5W9p+aZXa8gXSsHGIedpvUL927DLzR2klDVF4kBw==
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

2026-09-17T11:59:09.363830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018654
observed 4f05943eb71bd0726e99439fa500d766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.344945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018654/manifest.json
observed 66d0f95ae933aa11fc6746f510b09a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.327938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018654/publication.md
observed 5d7d125b515f019bc53294d45f419325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.310044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018654/publication.txt
observed c408466409d2ce0bc7baacf587c1b931...
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.