OpenTechnical

OT-2026-000049306

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000049306) never changes.

Identity and time

Publication numberOT-2026-000049306 · never reused
Internal UUID01a0ae81-1350-7c15-a41f-16fd4eb2e2e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049306
StatusPUBLIC

Content hashes

Canonical text27086d8aadfcb50ecc2cc1555238a6ab979f0bf9cac681ac688fdaf4e5f9bdb1
Markdown2bb5861bc9bffb995a13b5384830bba402eaa7e5b34f3b7319ca9ee514896f65
PDF
Publication page95249c861d4a99104bbf2d6a54c9efae254aab46702d8b365d76134c3359d1fb
Manifest260535759d70223dddb8825cb40323800768313156264e9aa4719cf76a3d0f47

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
SignaturevQq484ucE6PJeBiUX3RSGb6AYXY2LfiMfRS3tgMJOu+Rn9RYUcYSIvsrqqC0tNboYC7Ar9LcVhC230BpzZj3DA==
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

2026-09-17T11:04:10.338782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049306
observed 95249c861d4a99104bbf2d6a54c9efae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.319070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049306/manifest.json
observed 260535759d70223dddb8825cb4032380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.300177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049306/publication.md
observed 2bb5861bc9bffb995a13b5384830bba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.279069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049306/publication.txt
observed 27086d8aadfcb50ecc2cc1555238a6ab...
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.