OpenTechnical

OT-2026-000053924

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000053924) never changes.

Identity and time

Publication numberOT-2026-000053924 · never reused
Internal UUID01a0ae85-b3a6-7ddd-b99c-a995f818d18d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053924
StatusPUBLIC

Content hashes

Canonical textc5a5fd08bf434a6d52673028040fb2be2d802c821163715778835cf61088a11f
Markdown6b89cead46c372b5eea824e3fa95590261a0aa1921f501f86186261cc87e8b3a
PDF
Publication page23e686847e28e9e3f735e265b0a090dfdb087e20b6a417963f7ddc01dceb0b81
Manifest9a3cf5a1cdf94c1a0f9f33f1e3a7cc69ca846b8858387ba6ae0f81c66bd589b1

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
Signatureo/DTSf595+ECn3FDHWQe8nEyLxkwFb6P5WUF68y+/x4j7Iiuq4X0ly3lkV9+vwU08ZP9aNweHhIFHGw7YOvxAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-22T00:41:22.982282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053924
observed 23e686847e28e9e3f735e265b0a090df...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-22T00:41:22.869898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053924/manifest.json
observed 9a3cf5a1cdf94c1a0f9f33f1e3a7cc69...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-22T00:41:22.796299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053924/publication.md
observed 6b89cead46c372b5eea824e3fa955902...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-22T00:41:22.631919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053924/publication.txt
observed c5a5fd08bf434a6d52673028040fb2be...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.933038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053924
observed 23e686847e28e9e3f735e265b0a090df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.915467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053924/manifest.json
observed 9a3cf5a1cdf94c1a0f9f33f1e3a7cc69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.895282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053924/publication.md
observed 6b89cead46c372b5eea824e3fa955902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.874481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053924/publication.txt
observed c5a5fd08bf434a6d52673028040fb2be...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent