OpenTechnical

OT-2026-000079734

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000079734) never changes.

Identity and time

Publication numberOT-2026-000079734 · never reused
Internal UUID01a0ae96-4375-7eb4-be23-da3cf89a8a7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079734
StatusPUBLIC

Content hashes

Canonical text85dc50c910a6281932d0b2d832ae1cd29b34d31a197093204c56b12261280adb
Markdowne206fb59abf0eda57e0b78062e912a94118d5e011e0c817498142ba94a79ed12
PDF
Publication page732ec242d45d2e5e806714131febbb57064a21b14beef410b91e4e734d0dc753
Manifest58ba7798266e44e42fe712a828e0299bde7d8eb3a0659f1b65c9b0920fd5c410

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
SignatureFUqH7MQuYc3p+0/oUGPRV6iRJqIfTcvUORm4HibyPBZiuTSo0WgYn8UN8yRj/SG66atvsDrQUpJGQXuI1aqFDQ==
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

2026-09-17T10:03:36.071613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079734
observed 732ec242d45d2e5e806714131febbb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.053822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079734/manifest.json
observed 58ba7798266e44e42fe712a828e0299b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.036752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079734/publication.md
observed e206fb59abf0eda57e0b78062e912a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.018790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079734/publication.txt
observed 85dc50c910a6281932d0b2d832ae1cd2...
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.