OpenTechnical

OT-2026-000063415

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000063415) never changes.

Identity and time

Publication numberOT-2026-000063415 · never reused
Internal UUID01a0ae8c-f944-73b2-8121-31762c312a4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063415
StatusPUBLIC

Content hashes

Canonical text80f4bf0e41da63640262ae8234581cd6e5308a1f196a9b2fd7984c4681ee4a6f
Markdown03372f8b964819b98c9105d0420298efe52ff1cb787af32fec4d4f11ff15d0da
PDF
Publication pagecc5d15f2576205135cb1ddfec58792b176e744089f6bbf9f580eaf8149205ef8
Manifesta9a30ff838081a1ee5f794708f62222e06af5d27c3b544346e67e5fe8bbd5283

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
SignatureSjfMlvownPt0tFIb8f4gU2Fo48QIZvHYaOB9qbBtHQ20Ma24hgnsN7lBeLSnDXb0+SCCpqvWMZu7AZQ+RImBCg==
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

2026-09-17T10:37:20.176255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063415
observed cc5d15f2576205135cb1ddfec58792b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.159556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063415/manifest.json
observed a9a30ff838081a1ee5f794708f62222e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.141340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063415/publication.md
observed 03372f8b964819b98c9105d0420298ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.121153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063415/publication.txt
observed 80f4bf0e41da63640262ae8234581cd6...
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.