OpenTechnical

OT-2026-000019006

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000019006) never changes.

Identity and time

Publication numberOT-2026-000019006 · never reused
Internal UUID01a0ae6e-d523-7ab8-8e24-4b47ceca5608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019006
StatusPUBLIC

Content hashes

Canonical text534b72bef133a348bb8a2daa130db5839a19944d356511a3a9a2ba46c02789d3
Markdown63012dbb4d2932cb64d9bf84f135a4a48d81806b92b735783dbd489020bd4874
PDF
Publication page05f1607b40b81476147e29e6a4748614331122121f854e685a6e1a765c05e9da
Manifest2479ebbd9a82669760960d918deea84a4aad99190d9cf4a904f12d275e0763fd

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
Signature223cL2T7P4hL/uHrfHkVM+Sf+g8AnpCM+bIgKz/SX6ywwUvogWDOwOyXrDON3eBOYtLhGT2rauv59NhDThF3CA==
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

2026-09-17T11:59:41.408990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019006
observed 05f1607b40b81476147e29e6a4748614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.391606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019006/manifest.json
observed 2479ebbd9a82669760960d918deea84a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.372813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019006/publication.md
observed 63012dbb4d2932cb64d9bf84f135a4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.353148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019006/publication.txt
observed 534b72bef133a348bb8a2daa130db583...
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.