OpenTechnical

OT-2026-000049638

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000049638) never changes.

Identity and time

Publication numberOT-2026-000049638 · never reused
Internal UUID01a0ae81-8fee-7a9d-8d1d-f011357de4f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049638
StatusPUBLIC

Content hashes

Canonical textc0005201696700478dfdcf426a912a1de511044f467382f7df1abe20b5449d82
Markdown87caf85655ac0d59961bfe80afd0c1b72d253097a89ff0e5f420d382b2ff1980
PDF
Publication page7c0752751d76e351bce0e7e32fddacee7ed9ed647395c9ebbbf53b12ff826833
Manifest675e8e2fd2bcbfb8cfb9fb5607c078582b8210cd8064de2a68a9903413429d1c

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
SignaturergK6u3rv1rwOBJov8stLgLiI5b9KBbMGXAqVP2vxFcLeS7KKHLhBjftYUHK73bGBfabF2vJH1BqVTFW3rQG5CQ==
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

2026-09-17T11:02:37.939694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049638
observed 7c0752751d76e351bce0e7e32fddacee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.922196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049638/manifest.json
observed 675e8e2fd2bcbfb8cfb9fb5607c07858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.903100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049638/publication.md
observed 87caf85655ac0d59961bfe80afd0c1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.882265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049638/publication.txt
observed c0005201696700478dfdcf426a912a1d...
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.