OpenTechnical

OT-2026-000074823

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000074823) never changes.

Identity and time

Publication numberOT-2026-000074823 · never reused
Internal UUID01a0ae93-ac2c-7fcd-ada0-01c1f954802a · 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-2026-000074823
StatusPUBLIC

Content hashes

Canonical text3330aea9c8dcddc6784f7101793d51463e092bd383e6a2f6dbca2d93f2cf0abc
Markdown7e0da9336657c2ca2b959ba44837a15237a6244027c40efe675ea8c084f244cb
PDF
Publication pageed5bf6f831e4c46ba1f694bf16fdf32e57b71fbe2558fab04840e9088278f4a3
Manifest762c0b6da31f5709cf9e0c60fb65181d6019ea12e49a122f11ab66c46b727b62

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
SignatureMk3HSI5MqIOPCLC2Lij35jKFjKu1xZ0Zreu5CUWCtqIFRZ5cJZGshlU4Qhuch13ieBVpkPwsPVt0NLL2jT9WCg==
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

2026-09-17T10:18:31.947427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074823
observed ed5bf6f831e4c46ba1f694bf16fdf32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.930332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074823/manifest.json
observed 762c0b6da31f5709cf9e0c60fb65181d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.914198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074823/publication.md
observed 7e0da9336657c2ca2b959ba44837a152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.897871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074823/publication.txt
observed 3330aea9c8dcddc6784f7101793d5146...
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.