OpenTechnical

OT-2026-000071318

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000071318) never changes.

Identity and time

Publication numberOT-2026-000071318 · never reused
Internal UUID01a0ae91-e0ec-7c8f-9068-8c1345cc1e41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071318
StatusPUBLIC

Content hashes

Canonical textbafc12a265ff5285664e26e1ce07c93d90a9b6a3d644c6109cb649bf71f09a8b
Markdown7bbbe2e3c3ed873e66ba746d93d61a884023d195da32446830433292218f81b0
PDF
Publication page460c4258cbc078a3164a026085cd58fe71be29914302bc4295eda770a2de366d
Manifest15c1ffccc48e470aa1a2c10f7fa1721767962ff4eaf6a635b0ff49d287b2bd28

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
SignatureoTU/O8MdZ7nk9QPZrYVoKn/APnoKeY+HN/wPlyRNhDXmd1qIe66BjA4D7Vka5IFVEFO693x4G8lr72E7zmw5Aw==
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

2026-09-17T10:24:54.421320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071318
observed 460c4258cbc078a3164a026085cd58fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:54.403568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071318/manifest.json
observed 15c1ffccc48e470aa1a2c10f7fa17217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:54.386516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071318/publication.md
observed 7bbbe2e3c3ed873e66ba746d93d61a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:54.369349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071318/publication.txt
observed bafc12a265ff5285664e26e1ce07c93d...
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.