OpenTechnical

OT-2026-000068720

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000068720) never changes.

Identity and time

Publication numberOT-2026-000068720 · never reused
Internal UUID01a0ae90-6dca-79fd-b69e-4bef8ac11989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068720
StatusPUBLIC

Content hashes

Canonical text46c28286cb38ae4c9513aedaaad8b94991cd2a341fb128b40509da778beda56c
Markdown4c58f4b1b010b901cf2b3543248ffb38049408f4e6987c0b8abec04afd1115ec
PDF
Publication page08493a0b2f47799f3803a622c33adefa76a57c5af1404c761f843badb50124a8
Manifest0ad4ac9301ed2651c1b581fc06acbbb24446a7a3fc42f93caae0e2d103543282

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
SignaturezkhnsN9+uw9NG8uj+c5Yir+Pt1eVmAv26By1ZAxaaCKXZwsyLNgQbVg6xJP6gTYWNiUjg3Bf/2hiVCTkGaWgAA==
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

2026-09-17T10:28:29.685865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068720
observed 08493a0b2f47799f3803a622c33adefa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.667809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068720/manifest.json
observed 0ad4ac9301ed2651c1b581fc06acbbb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.648409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068720/publication.md
observed 4c58f4b1b010b901cf2b3543248ffb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.627575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068720/publication.txt
observed 46c28286cb38ae4c9513aedaaad8b949...
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.