OpenTechnical

OT-2026-000036615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line 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-2026-000036615) never changes.

Identity and time

Publication numberOT-2026-000036615 · never reused
Internal UUID01a0ae77-46e7-718d-b80d-c4649c21a206 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036615
StatusPUBLIC

Content hashes

Canonical textb4e26df0d5b50fdd00bde7f89f65016fef1ddca0958bd0872cdfbae34eef2bf7
Markdown19257a1758b1468535ab30147ce81b9d2d1bf9b2bb3b2cce9331f25940be7804
PDF
Publication pageadfb28cbbb2cbf6b2958c29512b0a87b0892dd282c578c04bb42c92caa48681b
Manifest27e46dd0d461323dfda6847a96ebbb2ec0aa397b6f882ac1c51b19e135c54113

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
SignaturerY3h3qN9T5hlEUkv7cysMdwHLg2bNzrcbDTy3iGa7NzuSTCjiCZ3S0nzXyFo2ouVHLQHksptNyPS1aILYhPpAA==
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

2026-09-17T11:25:50.808303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036615
observed adfb28cbbb2cbf6b2958c29512b0a87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:50.791476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036615/manifest.json
observed 27e46dd0d461323dfda6847a96ebbb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:50.773135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036615/publication.md
observed 19257a1758b1468535ab30147ce81b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:50.756075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036615/publication.txt
observed b4e26df0d5b50fdd00bde7f89f65016f...
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.