OpenTechnical

OT-2026-000042298

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000042298) never changes.

Identity and time

Publication numberOT-2026-000042298 · never reused
Internal UUID01a0ae7a-5d73-7f91-8e13-87510518a985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042298
StatusPUBLIC

Content hashes

Canonical text1a4a27f762889bb9cf5f572e016b4849533277eb4d40523e6454684e42e83aa2
Markdown37a92bab446341e80c15f3ef0ef00fb39ddf6b23d54a1a12d248f18fd7ec2b8a
PDF
Publication page2031d879f2f523813836ec3bde0366c43a13f93ce6edf24935032b228d8b8e16
Manifestffb754eee74d53805a06a022b11b35ccec50fbb11a1bc85685c84555995f32d7

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
SignatureNRDGy4nc/l82g4Nm9MvhwyeYjzcnztvcOfsApMqNFDlJb+qLyVvym+zUncDtsVD+TtQ+We8s1DzWdzv5EdyYAg==
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

2026-09-17T11:15:59.774166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042298
observed 2031d879f2f523813836ec3bde0366c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.757607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042298/manifest.json
observed ffb754eee74d53805a06a022b11b35cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.740401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042298/publication.md
observed 37a92bab446341e80c15f3ef0ef00fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.722381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042298/publication.txt
observed 1a4a27f762889bb9cf5f572e016b4849...
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.