OpenTechnical

OT-2026-000069156

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069156) never changes.

Identity and time

Publication numberOT-2026-000069156 · never reused
Internal UUID01a0ae90-6dcf-7a86-9655-9e4219a1a63b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069156
StatusPUBLIC

Content hashes

Canonical textcb4889ecde1894ad62f1389776441522241f07abef0135fb67254791d7abab55
Markdownb5646e4cabcd145eae9c14d86c12a97a3d09fa7f2fd0e889243b4052402ccaea
PDF
Publication page3c37cacdb7587e02a424e90d03b20ab4a5bd2589c83aef97ac7d36af9fcb9dfd
Manifest06265361d80f3164be994c9a022bdb9522288d11d2e6288850b392834354c80f

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
SignatureOXOW/CsrRndVYUvnQZXZgpqNlkoUmEkFdM+W/L3oEBMiTgpr3aOdOdoz0ArHI9KhgszEV1NL7Jhvbm/4GKgMAw==
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

2026-09-17T10:29:02.551435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069156
observed 3c37cacdb7587e02a424e90d03b20ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.535233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069156/manifest.json
observed 06265361d80f3164be994c9a022bdb95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.518724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069156/publication.md
observed b5646e4cabcd145eae9c14d86c12a97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.502239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069156/publication.txt
observed cb4889ecde1894ad62f1389776441522...
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.