OpenTechnical

OT-2026-000034925

Publication integrity record

Two 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-2026-000034925) never changes.

Identity and time

Publication numberOT-2026-000034925 · never reused
Internal UUID01a0ae76-1ed3-7377-9214-648e5c714787 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034925
StatusPUBLIC

Content hashes

Canonical text7c50193f7f2bd1f9a6537138b6983972e84ee4b4a39eccb39291e8b46c5c7d80
Markdown59c7d40a960ae5b13c538e808a834fb732a97a50614bdd09a4e1d53a52f4f096
PDF
Publication page2365b717cba262c215622eab00e9f723828c0cf180b000354f164c455af679d3
Manifestac88657c6ba061fefce1492d908604d174ffbf1dbb16d0b02d6bc7aa566c7f90

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
SignaturepafPTKFyUV08/DnCDVYtxXj3HRPxGxjGHNtEi9IbKx3Vj19cIOgQm7y5nhCbNdKJ3rBNfPB+M5iju8Weeey8CA==
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

2026-09-17T11:30:42.687626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034925
observed 2365b717cba262c215622eab00e9f723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.671007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034925/manifest.json
observed ac88657c6ba061fefce1492d908604d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.653621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034925/publication.md
observed 59c7d40a960ae5b13c538e808a834fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.634080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034925/publication.txt
observed 7c50193f7f2bd1f9a6537138b6983972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.535867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034925
observed 2365b717cba262c215622eab00e9f723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.518851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034925/manifest.json
observed ac88657c6ba061fefce1492d908604d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.499768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034925/publication.md
observed 59c7d40a960ae5b13c538e808a834fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.482019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034925/publication.txt
observed 7c50193f7f2bd1f9a6537138b6983972...
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.