OpenTechnical

OT-2026-000046141

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046141) never changes.

Identity and time

Publication numberOT-2026-000046141 · never reused
Internal UUID01a0ae7e-032b-7926-a258-b36c04d94ff5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046141
StatusPUBLIC

Content hashes

Canonical textf2c86608dc2c780e589afe80469efc586a0d8599a5caba88f5ac47cfde0b9031
Markdowncfe5e1f3eee5ec4f18733c89a527e801589d0c53c4abea006fa65b71ebf63c91
PDF
Publication page98510d3eb4d10e51c644d2417702e16c0446e47ecb8142b826b7737a5875aa9d
Manifestb75ad798ccc04fb592ff23d7b3e557592f720474e9aa5d02a9f86c2122bc385a

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
SignatureWsFxtrSJ5FM07Ou5R93fYGw+1fXwRJr88WfNV7ndpQfoQw7kBuD8SpPp8LXeu5Hrfaf5Sk8KSunWW3Rjxv8AAA==
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

2026-09-17T11:09:07.966479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046141
observed 98510d3eb4d10e51c644d2417702e16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:07.948017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046141/manifest.json
observed b75ad798ccc04fb592ff23d7b3e55759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:07.927891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046141/publication.md
observed cfe5e1f3eee5ec4f18733c89a527e801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:07.909829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046141/publication.txt
observed f2c86608dc2c780e589afe80469efc58...
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.