OpenTechnical

OT-2026-000043137

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000043137) never changes.

Identity and time

Publication numberOT-2026-000043137 · never reused
Internal UUID01a0ae7b-327a-7596-aea0-3c684381cd66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043137
StatusPUBLIC

Content hashes

Canonical text86e7a1173666060f4494ef201072cda263bc1332286703e5521dac835d993a02
Markdown4018a3003ea14fced77b601b43078461d4efd28fa8c2b96bec6ab0163e5c6d9d
PDF
Publication page46bfc369504700c5454798a89370adbcb3ec35e143b757b4c050180cd1267de1
Manifest65a5ec4f94d8e55fa1d5947a8f08db0443be32a4a70d0ccaf2bab5bb12de2e81

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
SignatureWBjRJ3NEz+3c1v4MYyoOtnRlACnA47KZyujDdRaa0Lba5IZkNk6kpdTGazWN7RYuLiU/CufzBkOHokvfmiL0CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:34.424238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043137
observed 46bfc369504700c5454798a89370adbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.405761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043137/manifest.json
observed 65a5ec4f94d8e55fa1d5947a8f08db04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.387924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043137/publication.md
observed 4018a3003ea14fced77b601b43078461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.369589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043137/publication.txt
observed 86e7a1173666060f4494ef201072cda2...
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.