OpenTechnical

OT-2026-000049093

Publication integrity record

Four cup vacuum gripper, four 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-2026-000049093) never changes.

Identity and time

Publication numberOT-2026-000049093 · never reused
Internal UUID01a0ae81-134d-74cc-940d-74d934f76fc7 · 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-2026-000049093
StatusPUBLIC

Content hashes

Canonical text6d382437ab970f85b2124df20b18d07e4ac77a6c11e48bd92de735317d926400
Markdownd3af9ef6be2c0308b737a671c780870fa7fd40ac0d9a4b7f3de62a3658d37939
PDF
Publication page6c6b0345d7eb845ec5d9bf025c4119e415426283a4dd2ab736af138680cf0cdb
Manifest13a43bb6e0642cb1ffe81733a5f52517597ba52b987b1fe0cc82eb06bd1e4d7d

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
Signature8KTJWMwFGTXYfF0klbgJET0seb3uvUwZ8jLJaGJVPrM85K1AWIk187kgIIrYwSx/fl/Tu4aZdPjq6dF+Y9DUBQ==
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

2026-09-17T11:03:20.581249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049093
observed 6c6b0345d7eb845ec5d9bf025c4119e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.553841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049093/manifest.json
observed 13a43bb6e0642cb1ffe81733a5f52517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.501338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049093/publication.md
observed d3af9ef6be2c0308b737a671c780870f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.440087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049093/publication.txt
observed 6d382437ab970f85b2124df20b18d07e...
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.