OpenTechnical

OT-2026-000050175

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000050175) never changes.

Identity and time

Publication numberOT-2026-000050175 · never reused
Internal UUID01a0ae82-5c45-7d51-a261-1481ddd4f2c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050175
StatusPUBLIC

Content hashes

Canonical text886dea76e4353c9621ceef110e0369057eadd93ce65333e71e60991aa374c2a2
Markdowna3e1820e782fb0c8b11fcc4af5a0e346aa707ac7afe6bb59a1ff20945590ba65
PDF
Publication page830e6c95a19b2322f3e491016e304383ac8d995b75642697ed78b7189447cd41
Manifestbdaad79fe799507e3048bf63c123c2f0dc6f31835993c64953defbc25dd7eec4

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
Signaturen9gEjAe57iW56VfH1w2nE1b9TqtZVZxVF4mCxHnprP0xogvcQaqDXIygGrKJ0zooy8pSzi6D3jyi9E97GNmfCg==
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

2026-09-17T11:01:09.333830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050175
observed 830e6c95a19b2322f3e491016e304383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.315845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050175/manifest.json
observed bdaad79fe799507e3048bf63c123c2f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.298623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050175/publication.md
observed a3e1820e782fb0c8b11fcc4af5a0e346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.278999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050175/publication.txt
observed 886dea76e4353c9621ceef110e036905...
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.