OpenTechnical

OT-2026-000041246

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000041246) never changes.

Identity and time

Publication numberOT-2026-000041246 · never reused
Internal UUID01a0ae79-b143-7864-ace6-5ad93835e530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041246
StatusPUBLIC

Content hashes

Canonical texta30bb2d34a4169d464674ee72016e6c65173f910fd64788e0d019c05bf955ed2
Markdown14127fdc0dd631a031f0d9936558d93f2c8f0e30c65018dd8263b6a02040fd62
PDF
Publication page9103cf453628f6ed53626b56b18c65a5a499a3e40760f38c2734194754d18e87
Manifestb9f3789922401dac9a24df7d9db35aaeaf14c2e2ecaf4d73de837310d920f1c9

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
SignatureFIDeAKGdMh8B/8RPv9t3s2mePJCMpuZq90mjTyiWy37XHPCjJk3t92eUuvdMkcqhZt98pB68womiUqzgcqZACg==
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

2026-09-17T11:17:12.872260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041246
observed 9103cf453628f6ed53626b56b18c65a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.852672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041246/manifest.json
observed b9f3789922401dac9a24df7d9db35aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.833960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041246/publication.md
observed 14127fdc0dd631a031f0d9936558d93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.816618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041246/publication.txt
observed a30bb2d34a4169d464674ee72016e6c6...
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.