OpenTechnical

OT-2026-000018325

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000018325) never changes.

Identity and time

Publication numberOT-2026-000018325 · never reused
Internal UUID01a0ae6e-b489-7d15-bb99-87df27242eb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018325
StatusPUBLIC

Content hashes

Canonical text250b6c8e0fcafa58f65a41507c9752e5572248dc14275446d1a44bf6eb7cfb19
Markdowna9c77e16d4e377052ee35f1338b0fc43a55fc7300997592e15cb4a842ab0e9b6
PDF
Publication page15954aa58c0001c67e3ac055fd8c14cd2466736c615697931b04f54119ecec27
Manifest054d860052b319a6e2ee1f2e98de778d394f1da9931d86ac678a40f075e1a095

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
SignatureED3Ml+JmWXsFdc2Izo2TUnNUIioBqJRoRgxX2+I5ADHl4jRjMRiBG7koEkXD1amwUQAVZIsvV01tH/UNcENwDA==
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

2026-09-17T11:59:50.324111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018325
observed 15954aa58c0001c67e3ac055fd8c14cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.303613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018325/manifest.json
observed 054d860052b319a6e2ee1f2e98de778d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.284184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018325/publication.md
observed a9c77e16d4e377052ee35f1338b0fc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:50.250819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018325/publication.txt
observed 250b6c8e0fcafa58f65a41507c9752e5...
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.