OpenTechnical

OT-2026-000060488

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off after 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-2026-000060488) never changes.

Identity and time

Publication numberOT-2026-000060488 · never reused
Internal UUID01a0ae8a-b7cc-7246-b8c3-1a707a767bb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060488
StatusPUBLIC

Content hashes

Canonical text10bef25b7e81088b38ba0d84d545097843eb9331d74630868768156ed876483c
Markdown26e9ac75c3c32c74a66f64cc22e8be43f24f354f23bf0d3a5ab4ad19a7f62568
PDF
Publication pageb1dbee32814fedf13f6ca013a10e16548ee837f0f77ecd5983ee3665405fa3cc
Manifest6bdc8e8de935842229b194ab05435ec5b31b577dd74a85743950dadc0df78ea1

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
SignatureF7AD7fbVBxWbN7wZmfpviIizRVvqUtF31k0mtBr5H0ebOgNqkyD6Vs0amsp9Itjstilv34UioL8DU2wOWzAoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:58.933824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060488
observed b1dbee32814fedf13f6ca013a10e1654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.914431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060488/manifest.json
observed 6bdc8e8de935842229b194ab05435ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.898622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060488/publication.md
observed 26e9ac75c3c32c74a66f64cc22e8be43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.882019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060488/publication.txt
observed 10bef25b7e81088b38ba0d84d5450978...
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.