OpenTechnical

OT-2026-000074402

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two 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-2026-000074402) never changes.

Identity and time

Publication numberOT-2026-000074402 · never reused
Internal UUID01a0ae93-7179-7c01-aeba-44f2a1066656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074402
StatusPUBLIC

Content hashes

Canonical textd8f7fa0a11f83455f2063e9ef727d4545a32d6d3709dbb3f2d3495565aee29ed
Markdownc619c748f174dba48f35171c7935740679609d7de1b9019c583a663f9b34ee40
PDF
Publication pagea92347ace7b108665bc31e6cad8e03d8cd3168995410122b83dede2362e45964
Manifesta9a42805d51e69ff33b01ccb0bce7414c77439715823f0a80d74aa4d1c8d8d1a

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
SignatureZvWjfq4ItoJX3yoBiw/XUsOnHNg0G7rhds6F7B6xXb1SySWCn1NiT+0RGdaHG4gxUmWYZBxJTRRHGnt38P3ZAw==
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

2026-09-17T10:19:20.411842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074402
observed a92347ace7b108665bc31e6cad8e03d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.394188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074402/manifest.json
observed a9a42805d51e69ff33b01ccb0bce7414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.375894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074402/publication.md
observed c619c748f174dba48f35171c79357406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.357820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074402/publication.txt
observed d8f7fa0a11f83455f2063e9ef727d454...
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.