OpenTechnical

OT-2026-000082071

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000082071) never changes.

Identity and time

Publication numberOT-2026-000082071 · never reused
Internal UUID01a0ae97-4d93-752e-a49c-0de5facce8d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082071
StatusPUBLIC

Content hashes

Canonical textf8a87541454f40c758b02f5cd07194dccf1656784dac5b75d6ca6e331bba02be
Markdown161e7bd4f4fd8781518d59c211b4c660861c3fd47647f4600526de7195ac763e
PDF
Publication page8461b4b17aae98c7cdf5caa3385dcf52683a0d6eb3ff1ad07e374012219952fd
Manifestc81a0d024c48764e6d0cd34b74a7d9f7d921a28eac927fad9eaf60e1f7d85874

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
SignatureYrQ3o7d16J5TBxH5YMI9Qoe2xG+vPJu58a82Kq8EJr8B7AEUGfiFTm1lvhiMgSgluQQ7SgB/TVgKZF9mwlnXBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:52.392623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082071
observed 8461b4b17aae98c7cdf5caa3385dcf52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.377318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082071/manifest.json
observed c81a0d024c48764e6d0cd34b74a7d9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.359911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082071/publication.md
observed 161e7bd4f4fd8781518d59c211b4c660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:52.343432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082071/publication.txt
observed f8a87541454f40c758b02f5cd07194dc...
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.