OpenTechnical

OT-2026-000089946

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089946) never changes.

Identity and time

Publication numberOT-2026-000089946 · never reused
Internal UUID01a0ae9c-428d-72bf-940f-5eb536c260a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089946
StatusPUBLIC

Content hashes

Canonical texta834100f5b4d5e80747a1690208bf7629bc6f81d8f5609ca7bf2b5ecf4ed9680
Markdown3030aeae7cc78422d67a20227ae3095e7eb043557553ca4a73f48652112c2df6
PDF
Publication pagee6ac7c76ef7208b473b1025022eaa5ee8fd74a0dc1568c81ad8610f1ab748dc1
Manifest2213546d01d2844d562ea7d927b9921cac6ce32c2ce20912661336506caed2e3

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
SignatureL3W8ZK6k7gr0kWMih2DUF+cd7jZxySsZed2iqGBlzEENVmR+jyrImIhim17KfVFMMKoXxt6DHkcwQ4jD0y/1Cw==
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

2026-09-17T09:45:19.460460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089946
observed e6ac7c76ef7208b473b1025022eaa5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.441041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089946/manifest.json
observed 2213546d01d2844d562ea7d927b9921c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.421889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089946/publication.md
observed 3030aeae7cc78422d67a20227ae3095e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.402098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089946/publication.txt
observed a834100f5b4d5e80747a1690208bf762...
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.