OpenTechnical

OT-2026-000068431

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000068431) never changes.

Identity and time

Publication numberOT-2026-000068431 · never reused
Internal UUID01a0ae90-2481-76ae-bde4-59c5ddb3c848 · 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-2026-000068431
StatusPUBLIC

Content hashes

Canonical text7fddb48c68b8d6b7d840234df5f9b8ee356a1b67684fbabf678d12607c805791
Markdown91a8508e20bd2bf0bdcc5bc4026bf06f3739d4053afc719e5ee39678e5dccc84
PDF
Publication page0c67775ae2ec7828554906be2159558e8ad55cff42f72bac6aea05d4e228f22d
Manifest4c2f26bc8acd52ea94388bf209ff8157dd038ddc67f72b6877d196a4961a74b8

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
SignaturePuGR3/FLpO6dkg18E/BR4pKtSQX8W++Lbm3PjR1cCM17GyRkx1r4iQ/6GvLWHoCxD1i2ZXZZcBWyepRRp3h+AA==
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

2026-09-17T10:29:34.392351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068431
observed 0c67775ae2ec7828554906be2159558e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.374967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068431/manifest.json
observed 4c2f26bc8acd52ea94388bf209ff8157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.359158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068431/publication.md
observed 91a8508e20bd2bf0bdcc5bc4026bf06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.341814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068431/publication.txt
observed 7fddb48c68b8d6b7d840234df5f9b8ee...
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.