OpenTechnical

OT-2026-000078174

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented after 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-2026-000078174) never changes.

Identity and time

Publication numberOT-2026-000078174 · never reused
Internal UUID01a0ae95-7c26-7e41-96a9-b69d019cd7f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078174
StatusPUBLIC

Content hashes

Canonical text64e6f9b93bbbcae665dad56f831e97c485991b379a9e8b781d6a9183f0f8c78e
Markdowna006c8da393cfba63f5fe06b6285ba4259a09e6dd83dd1400f1ed5acef9952c9
PDF
Publication page3be2acd7bf21c1d51fc3f90d830eb24b8644bc56f9ce68ae59d4851500895f96
Manifesteebdbedeaf056698df6a343d1cbcee5668a68c8e51dbda305ca0cf8de480d358

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
SignatureXhGBBfhBm0fHHT2qkJ7poh79cfy0xsTf1QuI0lhLXbOqus0tteSSQR92+GBnvcG8g6hxXpRUOSo7thVhab6xCA==
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

2026-09-17T10:06:02.764989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078174
observed 3be2acd7bf21c1d51fc3f90d830eb24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.745854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078174/manifest.json
observed eebdbedeaf056698df6a343d1cbcee56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.724334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078174/publication.md
observed a006c8da393cfba63f5fe06b6285ba42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.704867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078174/publication.txt
observed 64e6f9b93bbbcae665dad56f831e97c4...
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.