OpenTechnical

OT-2026-000003812

Publication integrity record

Bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure verified

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-2026-000003812) never changes.

Identity and time

Publication numberOT-2026-000003812 · never reused
Internal UUID01a0a90b-2184-7c88-88f8-beddce0444c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:54.119591Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003812
StatusPUBLIC

Content hashes

Canonical text282a5220655a2bbba038bf7556a7005d39d18b042d603ed3c2930325f2e9d894
Markdown79543d1d7c8e629df162770e8ebfcc547b8bc47427d1c5f0ae991ec50821de12
PDF
Publication page7300838def74032bb46dd3a8fbdcd69c4ebb3693840ad7c8a0b08864fdbaf3e3
Manifest433dbe1f5852a699b87837b28e37b61c47ac957d394da176296898a2adc651fd

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
SignatureMTcrm1Ghf613OpuQC64NH0s3KJuGRwOmQfXS7KpZEevSRdfjycvvlWh5FULL7oF9k3xaJLOVmmv4jvAIbfvTDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:18.886739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003812
observed 7300838def74032bb46dd3a8fbdcd69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.874255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003812/manifest.json
observed 433dbe1f5852a699b87837b28e37b61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.859183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003812/publication.md
observed 79543d1d7c8e629df162770e8ebfcc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.844894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003812/publication.txt
observed 282a5220655a2bbba038bf7556a7005d...
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.