OpenTechnical

OT-2026-000014636

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000014636) never changes.

Identity and time

Publication numberOT-2026-000014636 · never reused
Internal UUID01a0ae6d-d093-7d82-b3ba-2b6fbb03425d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014636
StatusPUBLIC

Content hashes

Canonical textac949f62f8bc6d75087f1c64a5c834c005eebb29dbaa20c085ffae6e7bd44eb8
Markdownd4cac72e5ece988581832b4688d89c1ed5e5aa59fd6e778142eb75a078f6f042
PDF
Publication page8b6a416bd9cced1cf036700b085638330741403e4a99cd6fa33a667d19ed8221
Manifest083e88d3fae86ca48ddbdbad4cc19fd0ebdcef7a092ec173704f0850514d17cb

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
SignatureJZb4Vygug8S6fKKMUQ/VVj2j1RPxdznD/oWq24Q8nYiL8LDWRxRx4NDAoTei9AzT2ApYWp55WxiJUBNZ07thBQ==
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

2026-09-17T12:06:27.306571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014636
observed 8b6a416bd9cced1cf036700b08563833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.288354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014636/manifest.json
observed 083e88d3fae86ca48ddbdbad4cc19fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.266607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014636/publication.md
observed d4cac72e5ece988581832b4688d89c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.244965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014636/publication.txt
observed ac949f62f8bc6d75087f1c64a5c834c0...
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.