OpenTechnical

OT-2026-000091035

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000091035) never changes.

Identity and time

Publication numberOT-2026-000091035 · never reused
Internal UUID01a0ae9c-c012-76c0-9134-a1d8e4ec6b6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091035
StatusPUBLIC

Content hashes

Canonical textf7bf10c3f1dca6b2eb7b3fe77fd03269950ea281b87abced5f2c618ba5821788
Markdown0e6934b235cc76f4899b16ec5db76c762ec50056b2ec5862dfe86fff89ac12fd
PDF
Publication pagef26ebbbcd71b59a4f447bd30c0204a783bae2aa3e27900620b6c423fa5615cce
Manifest822c42fcbee90e4cca236e66d10ecdca93a259f62669cd062f68dff303f1b6b7

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
Signature5qASFY8rMh3yOgAbb7XAl/8b0/kWCCVWu256fMVjS9YuoJUtFeyxbFxpzqe6Igf0gWlcXZ8yExuQ/qD55TFFBQ==
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

2026-09-17T09:44:16.705862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091035
observed f26ebbbcd71b59a4f447bd30c0204a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.687813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091035/manifest.json
observed 822c42fcbee90e4cca236e66d10ecdca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.670102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091035/publication.md
observed 0e6934b235cc76f4899b16ec5db76c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.652338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091035/publication.txt
observed f7bf10c3f1dca6b2eb7b3fe77fd03269...
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.