OpenTechnical

OT-2026-000040584

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000040584) never changes.

Identity and time

Publication numberOT-2026-000040584 · never reused
Internal UUID01a0ae79-6d0e-70b2-b371-6fe3f21e9652 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040584
StatusPUBLIC

Content hashes

Canonical text4a939c7eb0a792af73b7ad79df9194bbb9391e851da8472e18c66e70e8517063
Markdown1ef0f5c2e0a45d9ce508edc568dd04d18ee3160e30b56fa45e3396104694d22c
PDF
Publication page9452465cc4d3e7331833f839c2a5fdb4769aaefd305ae5f4edac36f0a1f8d606
Manifestb49393e4449cb82ebe0aa976ca64f9ce917f157ca4a91478f036cbcbac3575dc

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
SignatureuJbceBFfj0b/kqJHhwcdMwV0NlgiVmEUXPuj7bnVMius8nLfx7dreqdZN907pZzJN38RlT2d04NE6NmtPZRRDA==
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

2026-09-17T11:17:45.158187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040584
observed 9452465cc4d3e7331833f839c2a5fdb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.140998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040584/manifest.json
observed b49393e4449cb82ebe0aa976ca64f9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.123901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040584/publication.md
observed 1ef0f5c2e0a45d9ce508edc568dd04d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.105044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040584/publication.txt
observed 4a939c7eb0a792af73b7ad79df9194bb...
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.