OpenTechnical

OT-2026-000030288

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000030288) never changes.

Identity and time

Publication numberOT-2026-000030288 · never reused
Internal UUID01a0ae73-e501-77b2-8b00-ef8a8098fec9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030288
StatusPUBLIC

Content hashes

Canonical text3b5b5819d5f5a1fcd5355f13d2eb6bfb5e520647065781e4cc9771958e009488
Markdown5fdfdbaf276b519153f3475451134b7e9e1c54f26e2db557bc6d3a91541818d5
PDF
Publication pagefd6cf841f9b07e628b094d8ff329a14119ec6bbae3b60b09cc2d94be4837f9fb
Manifest317a3c9c1667ff5a3bd3990d20370f27d9669b4ee507961399b3b71f6ef1f35b

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
SignatureHFPsIUqqCnbAZePwMV4k/Dg8B85ym0QrOusHfou6zzFDLSOHo2Cst19vK1LgBwug3yCc3zmnmtjiJQc2i+kfBg==
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

2026-09-17T11:40:47.575033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030288
observed fd6cf841f9b07e628b094d8ff329a141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.557844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030288/manifest.json
observed 317a3c9c1667ff5a3bd3990d20370f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.540608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030288/publication.md
observed 5fdfdbaf276b519153f3475451134b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.522820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030288/publication.txt
observed 3b5b5819d5f5a1fcd5355f13d2eb6bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.436421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030288
observed fd6cf841f9b07e628b094d8ff329a141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.419258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030288/manifest.json
observed 317a3c9c1667ff5a3bd3990d20370f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.402799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030288/publication.md
observed 5fdfdbaf276b519153f3475451134b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.387697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030288/publication.txt
observed 3b5b5819d5f5a1fcd5355f13d2eb6bfb...
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.