OpenTechnical

OT-2026-000072005

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072005) never changes.

Identity and time

Publication numberOT-2026-000072005 · never reused
Internal UUID01a0ae92-47c0-743c-8b15-cc1f3937354b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072005
StatusPUBLIC

Content hashes

Canonical text232ba5891a0644715f3f9c85f25213a1783f5b5264e065306167a8e82a68ebc2
Markdown17f5e89c2dd83a9dc46dd18d0c468761a730aa98b2f9e9a6050953aef1e8a9bd
PDF
Publication page89d3c236f98624b3063b8926ed484e0ad291844e265f6c66e41241299e4d39fd
Manifest679fefb967b1322cbbafde9ea306b2573e5c7535b05180ef2dea1e07ea028dba

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
SignatureqeKznnAnMbIfaAfG9dF0aAbsZzDKwoWoc3+m8oBe6pme7rQ7PwddQyLD16Shs93DOjR0qp/CI7GDIqONdR2rAg==
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

2026-09-17T10:23:03.998279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072005
observed 89d3c236f98624b3063b8926ed484e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.981593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072005/manifest.json
observed 679fefb967b1322cbbafde9ea306b257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.963738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072005/publication.md
observed 17f5e89c2dd83a9dc46dd18d0c468761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.945203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072005/publication.txt
observed 232ba5891a0644715f3f9c85f25213a1...
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.