OpenTechnical

OT-2026-000074774

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000074774) never changes.

Identity and time

Publication numberOT-2026-000074774 · never reused
Internal UUID01a0ae93-ac2c-7fab-9c62-d5236a4a343d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074774
StatusPUBLIC

Content hashes

Canonical text04d6d0d6298ca29ce46e1e75a47ae33b78a7227bb1d7bf1ae9a77357ee19f5d5
Markdown6fb2346cd3b35c90e7992218fa39900e288b8c1849eb7a490c17060b9f117e32
PDF
Publication pageb41d2166aa43e5a2370a6f882c036bed9172f93e651b3a45352cb192218e01c8
Manifest9d91244d6d0f894099e69a7ffd24c922a0792aa506ed1f065226649ec940391c

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
SignaturekKuzuLKU/Pa3+lPm3teaPtDCHYcjL+g0f3WP+blRrN78W8WQKAQh49hmxljGhP2hkSL2NG1J58FKkPb9Y1uCDA==
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

2026-09-17T10:18:28.206902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074774
observed b41d2166aa43e5a2370a6f882c036bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.188279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074774/manifest.json
observed 9d91244d6d0f894099e69a7ffd24c922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.170964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074774/publication.md
observed 6fb2346cd3b35c90e7992218fa39900e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:28.152702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074774/publication.txt
observed 04d6d0d6298ca29ce46e1e75a47ae33b...
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.