OpenTechnical

OT-2026-000048341

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000048341) never changes.

Identity and time

Publication numberOT-2026-000048341 · never reused
Internal UUID01a0ae80-4de4-71f6-a391-b378abb38ce0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048341
StatusPUBLIC

Content hashes

Canonical textef874f8e753f08d6d300322bcf68c0d5d76c51c0082c83fde64b4b1f15679b41
Markdown5413ddfeac60fba48890a19cade9ec0b3e7915c49fd448bae8a4f28390d9b448
PDF
Publication pagedd1f766c88e2996cec97d59913167e4726b32b7ae6c6351db1c7ad18acf79db7
Manifeste3014a285220623b42efb8f3ac0046d08d93e00e7e28a5625b736811e4a7f0a1

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
SignatureavJLaZdsYfIwebpfgW2ZMNgnmHIpFsMWFdzKlX+s753f+Ek/99L3QBguAwGI/+K/YN1dZKBGOjZutf0vYEFxCA==
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

2026-09-17T11:04:57.096566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048341
observed dd1f766c88e2996cec97d59913167e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.077007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048341/manifest.json
observed e3014a285220623b42efb8f3ac0046d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.058330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048341/publication.md
observed 5413ddfeac60fba48890a19cade9ec0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.038403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048341/publication.txt
observed ef874f8e753f08d6d300322bcf68c0d5...
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.