OpenTechnical

OT-2026-000073635

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073635) never changes.

Identity and time

Publication numberOT-2026-000073635 · never reused
Internal UUID01a0ae93-2b8c-7182-b3d9-1f2b55b98985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073635
StatusPUBLIC

Content hashes

Canonical textc8e75a49993a1485b3590b2537819ff2a2ed76a7424ffeef9931c482d1405c62
Markdown3c8a68a21c42abdb817f9aaecc42da0851126487af393a50a3611667a940e139
PDF
Publication page7d2dfcaa8cd03a53d98f5f547430e352e9148277346205b5ecae0aa62edf7a2c
Manifest1501329da7c98c33b4bef54729259aec516405b91f567aa264c93360d951c215

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
SignatureZyH8gvfo1dsr+lYkplByZ7xdGGjd4+7d/7ax8iZqluCnHDeNImgn2E3x/ZkrTMPEBv21pb+6w9t8IOlkGXS/Cg==
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

2026-09-17T10:19:40.814038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073635
observed 7d2dfcaa8cd03a53d98f5f547430e352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.795394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073635/manifest.json
observed 1501329da7c98c33b4bef54729259aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.726922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073635/publication.md
observed 3c8a68a21c42abdb817f9aaecc42da08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.681343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073635/publication.txt
observed c8e75a49993a1485b3590b2537819ff2...
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.