OpenTechnical

OT-2026-000039158

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000039158) never changes.

Identity and time

Publication numberOT-2026-000039158 · never reused
Internal UUID01a0ae78-9673-70d0-8983-8d8a41fccc49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039158
StatusPUBLIC

Content hashes

Canonical text7c81ae9bbeb3d58fa18999dd97f7d2e2cac971d3b899a19ef8cd01149d7c6bdf
Markdown2f40e3cd137c1d594baeebaba6c9eb26ff36703097e986806f5f45b45de0750a
PDF
Publication page0e548ae255ef03f44dc46f4412ba2473597534e8f31020922238f433f7a1dd5b
Manifest6ab2ee0232751e7a1f35e3024c8989d0c5713b939221c1c5e00974224f14121f

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
SignaturePgpoFMsttZtyT/MguohSk13ZSD4NNxTLfCCP7R8AgmDFX4pKRybf91vTiVkuwgNe5kDG6sXNtYzIfM8qYQYdBw==
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

2026-09-17T11:20:40.424797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039158
observed 0e548ae255ef03f44dc46f4412ba2473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:40.407452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039158/manifest.json
observed 6ab2ee0232751e7a1f35e3024c8989d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:40.389388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039158/publication.md
observed 2f40e3cd137c1d594baeebaba6c9eb26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:40.371834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039158/publication.txt
observed 7c81ae9bbeb3d58fa18999dd97f7d2e2...
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.