OpenTechnical

OT-2026-000019293

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000019293) never changes.

Identity and time

Publication numberOT-2026-000019293 · never reused
Internal UUID01a0ae6e-f392-70a9-9059-7b826f37f3a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019293
StatusPUBLIC

Content hashes

Canonical textacf59b07594ec8115f2b73fe42e7dafb7e6564859e818d0278fa8d714eed9cd9
Markdown7ba5a7f5e63d35189a56964056e9e965b5e8a98ecf5e073b1b6cf537b3f094a3
PDF
Publication page8b50509cd500a72c6b09b6134220ad578858444a5b338944a90624f0208229b9
Manifest9126e004489c3f16fedafc872c80846b1f4a81b17fa23a5105ac4b308a078903

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
SignatureX7KFyS6NHzn+XgQkm6HJPWqsacDUwIZpWbwSpuaXLRK6CNKR71fsZM5blQ0/kD+Kx47KUcbIZdD5gZGRkDYUCQ==
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

2026-09-17T11:58:38.929303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019293
observed 8b50509cd500a72c6b09b6134220ad57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.910721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019293/manifest.json
observed 9126e004489c3f16fedafc872c80846b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.865307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019293/publication.md
observed 7ba5a7f5e63d35189a56964056e9e965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:38.811436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019293/publication.txt
observed acf59b07594ec8115f2b73fe42e7dafb...
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.