OpenTechnical

OT-2026-000030574

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000030574) never changes.

Identity and time

Publication numberOT-2026-000030574 · never reused
Internal UUID01a0ae73-e505-798a-bf03-330b02881964 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030574
StatusPUBLIC

Content hashes

Canonical textef718f1f20e2b84e9724c77e040c45e1638eef473cb7c2492a3a1154ffa1a5d2
Markdown92d2ced84965380584ca812f8f38c346a507e7c756a4218516978fb6783487f4
PDF
Publication page4f5e9552e3000527fda4ef00a0a4f11f77c1253365a92d928c2f51e94cfb3b1f
Manifest1fa91b2ad9bde3dfc745dff5e087b136492595a98254f5fa13a0e12ccc7e05ae

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
SignatureZ6++4IRYzPwW+ugZ8tv9S7dZTrfTVVAOfuDGIHCPG9BNH/x8uO69O/P6LOuwp/9gis4ZEGrYe6xxE8aY9SMOAQ==
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

2026-09-17T11:38:26.872725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030574
observed 4f5e9552e3000527fda4ef00a0a4f11f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.856959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030574/manifest.json
observed 1fa91b2ad9bde3dfc745dff5e087b136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.838803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030574/publication.md
observed 92d2ced84965380584ca812f8f38c346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.821825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030574/publication.txt
observed ef718f1f20e2b84e9724c77e040c45e1...
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.