OpenTechnical

OT-2026-000013842

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000013842) never changes.

Identity and time

Publication numberOT-2026-000013842 · never reused
Internal UUID01a0ae6d-8de9-7113-a921-5a5d3bbc372d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013842
StatusPUBLIC

Content hashes

Canonical text598d3719802c24ba44732ee726b7b12024bc3dd127a20b09a784e2844624bf3f
Markdown6778643cf661414d2ce4681187999fab1f0b29694d5a718cd52857d16692ff42
PDF
Publication page74380614e1e2cdb73b4fcfd93087fb27935213fda9353b070f41eeced1b64dff
Manifest3fb732ebdeba0e82cca276844fc99c33dce9ba0b53aa7f9d86b9eaa47259d413

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
SignatureNeuLXGgfGWi5WehbKev6p0OrYGhG1ymQaeHiPQWaE7MwgY/YbhS29JahzNhx2qqL6jy5HnDHAQyjW4YD349HBA==
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

2026-09-17T12:08:56.853986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013842
observed 74380614e1e2cdb73b4fcfd93087fb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.834746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013842/manifest.json
observed 3fb732ebdeba0e82cca276844fc99c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.815996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013842/publication.md
observed 6778643cf661414d2ce4681187999fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.796208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013842/publication.txt
observed 598d3719802c24ba44732ee726b7b120...
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.