OpenTechnical

OT-2026-000074407

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000074407) never changes.

Identity and time

Publication numberOT-2026-000074407 · never reused
Internal UUID01a0ae93-717a-71d6-9b6b-541109237ce0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074407
StatusPUBLIC

Content hashes

Canonical text19d6df6e39f3aefaa78e09c3115d0fbb90602d2d2ddf5758beb645048383ea4e
Markdownfb343a2a5391dedba29ef1d228f71c6e14497496a3d1c3264a2f875afe3385fc
PDF
Publication page0c62112efe8ea50e3f260479f82856d3b7a9abc30f2797d3a226c2f7185e45e9
Manifest40d00adc961077ac37525ffcdf14eb1aa450bfe4a3d03f92f3c024ee15d45501

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
Signature3CG2EmwoZ5rACy2xBsuOAim80vE7f8EICnmF9Z/qJE4A8m/POYIv68yKrehQlH+zm8YO+A2bDV/2VQyGyjFmBA==
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

2026-09-17T10:19:20.927837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074407
observed 0c62112efe8ea50e3f260479f82856d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.910096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074407/manifest.json
observed 40d00adc961077ac37525ffcdf14eb1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.891492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074407/publication.md
observed fb343a2a5391dedba29ef1d228f71c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.870947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074407/publication.txt
observed 19d6df6e39f3aefaa78e09c3115d0fbb...
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.