OpenTechnical

OT-2026-000070438

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000070438) never changes.

Identity and time

Publication numberOT-2026-000070438 · never reused
Internal UUID01a0ae91-545f-7d1c-ba37-17c68afb4eb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070438
StatusPUBLIC

Content hashes

Canonical textf939331e18731f4ada851f5b6cd11c1a5aacfc68adbf83ead65c4f3344fc866a
Markdownfae90df131eeabab557830d5ef423038779789a87e44b76fde879698e38ac53b
PDF
Publication pagec2277fa00495028eb27d255941b83cbf0b2c15ca8da999d86dc1620f3a002a5a
Manifestda0dbda94e44328a992216910c7ecda953342fcdd23545465976e2388cd29d02

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
SignaturewUD1Gzbc7LXot18xVy2yRlFve2nktSMkxFxos2wLFr10ZGTl4rxg5LJvl1g9f9Nik8mtsVfPnRGifGQ7mLmtBw==
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

2026-09-17T10:26:15.439939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070438
observed c2277fa00495028eb27d255941b83cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.421463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070438/manifest.json
observed da0dbda94e44328a992216910c7ecda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.402371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070438/publication.md
observed fae90df131eeabab557830d5ef423038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.382457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070438/publication.txt
observed f939331e18731f4ada851f5b6cd11c1a...
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.