OpenTechnical

OT-2026-000023252

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000023252) never changes.

Identity and time

Publication numberOT-2026-000023252 · never reused
Internal UUID01a0ae70-7267-7c4a-a119-c85f37c756ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023252
StatusPUBLIC

Content hashes

Canonical text29e966364ceb657cda8d6ce00d8b6cc51f91efe05b5830c97dcb66222529918e
Markdown691109e1981b4c03ac1347199b09de4ad124940de3e82dff9c2e63f6b30616c7
PDF
Publication page8548bbc5b17be44d5c4483c3cc874d0d13b33cd8587c23aae8d8de28b6fd0edc
Manifestb1061dc6d9aaf51c089b370adc83b7f47a24626d54ecb58693642d569b9e6cb9

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
Signature3bfUPtCYs+H3GPMYSuqXo4GR10qUu9kkRAy+1Odez+pCZw7nld6HDUPX83bzdJJckBnulRrgW/Lvr3/BZz6KDA==
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

2026-09-17T11:51:19.183705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023252
observed 8548bbc5b17be44d5c4483c3cc874d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.165826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023252/manifest.json
observed b1061dc6d9aaf51c089b370adc83b7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.143618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023252/publication.md
observed 691109e1981b4c03ac1347199b09de4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.124106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023252/publication.txt
observed 29e966364ceb657cda8d6ce00d8b6cc5...
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.