OpenTechnical

OT-2026-000035394

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000035394) never changes.

Identity and time

Publication numberOT-2026-000035394 · never reused
Internal UUID01a0ae76-6a20-7fa6-a475-4f9f02e5a251 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035394
StatusPUBLIC

Content hashes

Canonical text4d49c8e71d3ac5fdf6684b6e5d4d2713feeb1c43102abce3983262264affd2f3
Markdown713b98bcb50ef4b378fb0368af76932672ae9bbcf2a4a877568ec3d1e69463ce
PDF
Publication pageb5cb8f608a7a3c88c07bfdd20689f6226054b0f9f5d26183407441bc4e78d1e5
Manifest530126b854585e16b286e780c028e0f3a8491e34e3b4181e722b272337dce07b

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
SignatureWDYcXEf1sis4m1lh0zOClA3GoW5XEacKKE0PbceU8vn0L20rqiHjzjDNsxHRZXjzEgy3BiRb2eOTaCB65ZMsBQ==
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

2026-09-17T11:28:41.492493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035394
observed b5cb8f608a7a3c88c07bfdd20689f622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:41.471807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035394/manifest.json
observed 530126b854585e16b286e780c028e0f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:41.437518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035394/publication.md
observed 713b98bcb50ef4b378fb0368af769326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:41.419752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035394/publication.txt
observed 4d49c8e71d3ac5fdf6684b6e5d4d2713...
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.