OpenTechnical

OT-2026-000071958

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000071958) never changes.

Identity and time

Publication numberOT-2026-000071958 · never reused
Internal UUID01a0ae92-47c0-7e21-8bd8-062ded33db61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071958
StatusPUBLIC

Content hashes

Canonical text5880af02a636ae300729180b7db6685059a0bd3926c8c9a40d286807aff9a174
Markdown66fdc4e9de680e42893d9305388e4e0eeb58dc070c51fd67847a960861c27a12
PDF
Publication pagee81f353af565ffae686e2863b0a39ae32d8c80c8891ae973ad00ca7a56363033
Manifeste18aba4d8813dab9bd5bca2e52e840d0b369069e08b056cb5affbd6b50e7b3d1

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
SignaturehPxtOAQwldDZKOa435JlGMAiXNy6zgEOYJAoQOa4SYqo9DjVeP5iHWWi9WtWF/7WvYyIb7DfpIdXjiOU3PUbCA==
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

2026-09-17T10:22:59.801830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071958
observed e81f353af565ffae686e2863b0a39ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.786459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071958/manifest.json
observed e18aba4d8813dab9bd5bca2e52e840d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.771640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071958/publication.md
observed 66fdc4e9de680e42893d9305388e4e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.755668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071958/publication.txt
observed 5880af02a636ae300729180b7db66850...
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.