OpenTechnical

OT-2026-000005170

Publication integrity record

Bellows cup vacuum gripper, ejector 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-2026-000005170) never changes.

Identity and time

Publication numberOT-2026-000005170 · never reused
Internal UUID01a0a930-2484-790d-ab86-58477a763eea · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:19.719611Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005170
StatusPUBLIC

Content hashes

Canonical text03163d0aa8114f4475c83eed9358f33e686909697fa5fa0a30932f3510e64f71
Markdown8c9f99143526592718d75364da20a6b7cb98385c4fa17b051396554f05474bcc
PDF
Publication page739447656dbd601d70facb5e9090de653339408e6217ea923c2f783201a8dde2
Manifestbc1d2b4cbce417f399d41994444d5186df8fdd2604f0c6a97d82acdb5f08c3e6

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
Signature8N7bt1nPa3TAU1gdhvtIIIBbF4ZghyGHxipuMIB5N/9JL7SAis2YEOvn3gGHHP5kHVplOd0uLdyfvQVnkTUbDg==
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

2026-09-16T07:50:07.700435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005170
observed 739447656dbd601d70facb5e9090de65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:07.685882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005170/manifest.json
observed bc1d2b4cbce417f399d41994444d5186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:07.673048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005170/publication.md
observed 8c9f99143526592718d75364da20a6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:07.660816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005170/publication.txt
observed 03163d0aa8114f4475c83eed9358f33e...
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.