OpenTechnical

OT-2026-000007599

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000007599) never changes.

Identity and time

Publication numberOT-2026-000007599 · never reused
Internal UUID01a0ae62-76bc-7591-bf96-f5bda2c2870e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007599
StatusPUBLIC

Content hashes

Canonical text87f45529a7f5169f1c6ed14e28024f15a0142f4fa2ef7db9f45838f7d000f15c
Markdown543bdb35cb3073e38313073973a0e8e1b29c14d81b5753b29414105d7d108c82
PDF
Publication pagec05e0a91732af3509f70b06aeb3532c3de4c7acd2aefa7416a1dffdbcdce3287
Manifest3b2263b318f2d6a29b1229d2f5efd44a8d589207005fc42b9e839831ffac346d

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
SignatureHEur1/srjn+GkbzuXNcJ/m/f/8q15t5RijFl20LWjhgOcr0OQTB9Sh2r67ykDAuVD0HvqBXvwaEQUbcgVm/sAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:12.557938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007599
observed c05e0a91732af3509f70b06aeb3532c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.540676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007599/manifest.json
observed 3b2263b318f2d6a29b1229d2f5efd44a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.521438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007599/publication.md
observed 543bdb35cb3073e38313073973a0e8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.503548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007599/publication.txt
observed 87f45529a7f5169f1c6ed14e28024f15...
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.