OpenTechnical

OT-2026-000005176

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000005176) never changes.

Identity and time

Publication numberOT-2026-000005176 · never reused
Internal UUID01a0a930-53fc-7c26-88da-75a86ad89e49 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:31.871725Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005176
StatusPUBLIC

Content hashes

Canonical text94c205987ac2fdead71504c92c10d5c652bc517cb4888344c8143a7cd1896756
Markdownf6ffe60ed85cc954b21a1feeb4868da91e8073ba4cd48919a0a7ddde686069e5
PDF
Publication pagedd2e058b6569c1878debccf9550c163a0718bda1d1bd88bc5afbe9f123e83beb
Manifest1a53db2f96511594ffafead4ea4ffe12537ef7a9560d630e76a0d1df269e0aa1

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
SignatureEb+IMJTCKXVHS8XTXKbD3ZrkSV9I4JL+3V2LdqB0G1/Sv3nW05sTD6q3H8uPkNy+oe0LBVOiiH4Nbg6YdFjdAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:06.982513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005176
observed dd2e058b6569c1878debccf9550c163a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.971207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005176/manifest.json
observed 1a53db2f96511594ffafead4ea4ffe12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.958035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005176/publication.md
observed f6ffe60ed85cc954b21a1feeb4868da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.945959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005176/publication.txt
observed 94c205987ac2fdead71504c92c10d5c6...
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.