OpenTechnical

OT-2026-000034400

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000034400) never changes.

Identity and time

Publication numberOT-2026-000034400 · never reused
Internal UUID01a0ae75-df0e-70b9-b6d7-d3d417557d9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034400
StatusPUBLIC

Content hashes

Canonical text7c33e264d6b6a19e9527b8ffbe4114e196f1760f9dd1e96005f1d1a9545d7b07
Markdown7d35737a54f421360a33ee6fe917da9499f66482181e30d94696b1e324767d2f
PDF
Publication page36773e1c991ca01e82a9ddb9f549e511cfdfce9449e714659e3dfe2d7d025b9a
Manifest1e35fac2d356bef4270ce9c16a62fba750efca4fc77e996d68de167de56aa456

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
SignatureElD7+2/Yb/OgJ3fVr7I7ulfoW9EG2crJZaT1jCsHYf5yb2bA5GJF0jrfwzHOdBY/nQDk9X5XKwEBn8pr0xJUAA==
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

2026-09-17T11:31:06.999169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034400
observed 36773e1c991ca01e82a9ddb9f549e511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.982456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034400/manifest.json
observed 1e35fac2d356bef4270ce9c16a62fba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.963069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034400/publication.md
observed 7d35737a54f421360a33ee6fe917da94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.945346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034400/publication.txt
observed 7c33e264d6b6a19e9527b8ffbe4114e1...
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.