OpenTechnical

OT-2026-000084395

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer

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-2026-000084395) never changes.

Identity and time

Publication numberOT-2026-000084395 · never reused
Internal UUID01a0ae98-5b62-74b2-ba42-4505a57e6854 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084395
StatusPUBLIC

Content hashes

Canonical text7b498e853b9adc288ee1ae242bbb74b54ff4f5e7230e01d605a38e3163ca98a0
Markdowncbbf01f2e62b636c2fea9a0bf7244f88d5e4c37c5f25e3a1ed2368d13e07e51f
PDF
Publication page22f4310d7b0c113481c659fd6e8039a0fba0d664cd564aa776e01353feb86fdd
Manifest6264d49506b6312d7d3c2b6f7adeae6f7b6c7b62c56a9b61b93837033a862569

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
Signature1hQuvS4tD6W8Rgh2YhdybdcqkCe2y2PDhVqM/m5weuhvqXATGkLOoPjHv5uHq2mrE5GkITtYHeNz1N8A1dV5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:20.311014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084395
observed 22f4310d7b0c113481c659fd6e8039a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.293776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084395/manifest.json
observed 6264d49506b6312d7d3c2b6f7adeae6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.276178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084395/publication.md
observed cbbf01f2e62b636c2fea9a0bf7244f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.256592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084395/publication.txt
observed 7b498e853b9adc288ee1ae242bbb74b5...
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.