OpenTechnical

OT-2026-000047361

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000047361) never changes.

Identity and time

Publication numberOT-2026-000047361 · never reused
Internal UUID01a0ae7f-3e57-7cca-b973-6420c87c5a8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047361
StatusPUBLIC

Content hashes

Canonical texteafe1e5652915c2f6a4b354eaba160d51c9a18d0c3c84f625859524c23773c41
Markdown085c2f2e553039bc5e14dd4fa90580b9256ab4792b45d9f4d3be92cb8a61df4d
PDF
Publication pagea93d18753fdd4896a13051aaef9ea4e7efc2706a241baab05f193388c1055e72
Manifest58201684a04d8702814022bac344c6cd34922d3d5726a9e914ef8afbd182f27c

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
SignaturebDqj83vAJLXQYlxPYOJmlw6ksfJVV6fxb2GNQ961jBT+gB91jGqdkSOX8JZNUtLv5AF9qkluFLL0uAEKFdRcDA==
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

2026-09-17T11:06:21.626127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047361
observed a93d18753fdd4896a13051aaef9ea4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.606753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047361/manifest.json
observed 58201684a04d8702814022bac344c6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.586901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047361/publication.md
observed 085c2f2e553039bc5e14dd4fa90580b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.567063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047361/publication.txt
observed eafe1e5652915c2f6a4b354eaba160d5...
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.