OpenTechnical

OT-2026-000042732

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000042732) never changes.

Identity and time

Publication numberOT-2026-000042732 · never reused
Internal UUID01a0ae7a-c0cf-7bb2-95ac-82bc1d89efa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042732
StatusPUBLIC

Content hashes

Canonical textf5877a1871c334a89541342aea65fd1579cc535123ae87979c180e2393d5e527
Markdown0ef6b846ce4ee8f047564ab07300d6f1cce6448a07db81b40a7751fb297c53ce
PDF
Publication pagea172190f08d120eb3db24c7be4826f1d48460d93d1fb04ca8d2b5aeb2324c8fb
Manifestc2b3a0530f94a9670d4c55a8ae580b450eec45f2ccdd3fe26b6f7fcf9f96ff26

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
SignatureYypP2sVUSPFkoKHTMV1sWAt4I+fTa5hHXJ0hVwz4yID4HaRnj/wlq9Uex5FyFtrT/xBnvrONvYkuHH+VL4umBA==
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

2026-09-17T11:15:10.501843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042732
observed a172190f08d120eb3db24c7be4826f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.481790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042732/manifest.json
observed c2b3a0530f94a9670d4c55a8ae580b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.460986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042732/publication.md
observed 0ef6b846ce4ee8f047564ab07300d6f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.439972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042732/publication.txt
observed f5877a1871c334a89541342aea65fd15...
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.