OpenTechnical

OT-2026-000032978

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000032978) never changes.

Identity and time

Publication numberOT-2026-000032978 · never reused
Internal UUID01a0ae75-4843-7b72-813e-3f32b188e738 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032978
StatusPUBLIC

Content hashes

Canonical text9d8cce34f83dabb894b9d86112350ba62b832f29f9c2062404696aa4faed80a9
Markdown59b04f89a7832982145033425108fb792789a3728c3dd07ffbde89efb4c4f77b
PDF
Publication page6ca2c6863c3707768e95470fb8e4d1d1288961835969b98c1d1c96ce07199dad
Manifest415bf9a51caecfbf743a4e832b4e1127914fc5fd8b3c379e7179747b7304b003

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
Signature2Ty7+nIX4FULMTm22qUMhAXgZwxj8D+CzGTzFy3kcnZzjkQYO1pNuzBsgaeFpUlcvWJNt+CcB95Vr0tYYyviAA==
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

2026-09-17T11:32:35.381414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032978
observed 6ca2c6863c3707768e95470fb8e4d1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.363825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032978/manifest.json
observed 415bf9a51caecfbf743a4e832b4e1127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.343785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032978/publication.md
observed 59b04f89a7832982145033425108fb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.325214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032978/publication.txt
observed 9d8cce34f83dabb894b9d86112350ba6...
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.