OpenTechnical

OT-2026-000034079

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000034079) never changes.

Identity and time

Publication numberOT-2026-000034079 · never reused
Internal UUID01a0ae75-df0c-758f-9485-577d403936b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034079
StatusPUBLIC

Content hashes

Canonical textcacb271c352ae3659e0952959facf1042c9e823ed9abb2a99aadfcde2555aa3d
Markdown62ef87f59cf419a53b2b6631806b4fab53cc895d47433eb817f94e9b2248751b
PDF
Publication page9b0b59b43a35ae15b750ddc25da1e611d0f8deb480c4546fbf242516d6587279
Manifest79d499b821047d0785381d65171f3c14850e7cc9b3bb75ea59b5a82ad749c051

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
Signature5/LR1PXe+qo9xhN3aMXTLlPlimxNqau9pNM5DtZSypCQmLij8dh5zR4RTuL4g46dsxOdKQ0WnBVkxoc5UAklDA==
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

2026-09-17T11:30:19.972210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034079
observed 9b0b59b43a35ae15b750ddc25da1e611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.945862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034079/manifest.json
observed 79d499b821047d0785381d65171f3c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.926459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034079/publication.md
observed 62ef87f59cf419a53b2b6631806b4fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.904324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034079/publication.txt
observed cacb271c352ae3659e0952959facf104...
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.