OpenTechnical

OT-2026-000080444

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000080444) never changes.

Identity and time

Publication numberOT-2026-000080444 · never reused
Internal UUID01a0ae96-7e78-7664-8143-e026c7fae940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080444
StatusPUBLIC

Content hashes

Canonical textf91574a33d3a5bf66d448638b92b651e66ee7ebb5a7dd1e13be93062dc4a8379
Markdown672b79811f690839158877f5042a38a7fe11b4844e1dddf4cbba0e5ca737bfd0
PDF
Publication page2eeca705c2e13baa42c52126ef3e7f3eb1aff0212b9fc2e350f68635ac3a879c
Manifest979a0cd4c558a927b6660eefcbf4b9d01052346c90d006801cd974b99862c7d9

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
SignatureIs7l3LRO4yLvxTceheK40a50sXkojwGDIFB5X7qHJircjZjESBX+5d0hlFaO93YXnjHD4m21cwUIoZ1n8GpxAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:57.577920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080444
observed 2eeca705c2e13baa42c52126ef3e7f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.558845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080444/manifest.json
observed 979a0cd4c558a927b6660eefcbf4b9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.518100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080444/publication.md
observed 672b79811f690839158877f5042a38a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.472922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080444/publication.txt
observed f91574a33d3a5bf66d448638b92b651e...
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.