OpenTechnical

OT-2026-000015943

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000015943) never changes.

Identity and time

Publication numberOT-2026-000015943 · never reused
Internal UUID01a0ae6e-0c4d-7aae-a1b8-0d14826af900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015943
StatusPUBLIC

Content hashes

Canonical textb3e8c412e7cf236b3f8c03d7cfbccb2b0a9bf003a51364fc4b34b770d60d3299
Markdownae6db75b83e9ddd4ca08e10c05555701327be742902e87159056fae683ccf2ec
PDF
Publication page4c1a1a63b6048797bc16645e22ca3f4e004481fa03632ba1f295b7ec3bc7405b
Manifest00d536d9c3d976f4f7c9800c70ae5562256c3edc9333135308906cade3eefed5

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
Signatureu6ZXbm3HjxbGOt18sX2TbfM8a1SP+cgvgFWOPl6/YxyYGtbPOa10DhW8xCOduj3U+6aEhW7fMlyjee4v3qnoCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:25.102376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015943
observed 4c1a1a63b6048797bc16645e22ca3f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.082787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015943/manifest.json
observed 00d536d9c3d976f4f7c9800c70ae5562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.064317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015943/publication.md
observed ae6db75b83e9ddd4ca08e10c05555701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:25.044649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015943/publication.txt
observed b3e8c412e7cf236b3f8c03d7cfbccb2b...
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.