OpenTechnical

OT-2026-000068468

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068468) never changes.

Identity and time

Publication numberOT-2026-000068468 · never reused
Internal UUID01a0ae90-2481-7d4c-9604-30f1af19d149 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068468
StatusPUBLIC

Content hashes

Canonical textf95a0c76fa257819ab20a25156d8e0043a5d9433e0987a0338462da78543e5fc
Markdown6965d9daee292455617b4f7b69392cc10fefb9d80c1e678c674e0066c5179806
PDF
Publication page12a4a51ef8189d20b9f14d615b5031d8aeb41820f475d98eeb70ddc0ec65538d
Manifest36fe002e211821cf61bdbad78e5033bc2f295b5429deaa3114035c742700fae1

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
SignaturenVLsEksMGDk5p+YygE/z2zGGL8aIR4vph8Itd6OdlVr+qN9r64E3t8ZK5Sq9tJo1WV8VYKNFUiePDRLIWGPTCw==
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

2026-09-17T10:29:37.088736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068468
observed 12a4a51ef8189d20b9f14d615b5031d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.069039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068468/manifest.json
observed 36fe002e211821cf61bdbad78e5033bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.051333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068468/publication.md
observed 6965d9daee292455617b4f7b69392cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.034207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068468/publication.txt
observed f95a0c76fa257819ab20a25156d8e004...
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.