OpenTechnical

OT-2026-000079290

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000079290) never changes.

Identity and time

Publication numberOT-2026-000079290 · never reused
Internal UUID01a0ae96-0b90-7a5e-b855-65f9ddd3723b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079290
StatusPUBLIC

Content hashes

Canonical text2fe7cbfc65bf731327b116fd16ec6c3c9438d2ad7631a25f29e2c2fc5dc191df
Markdownbdc2193789e6306136cc5018f2015db26673272d3e1359663df0f254900a5aca
PDF
Publication paged9add2ad08e557aebda1b40189f5b8786af99a5ff917129667a72bb1e835d0c5
Manifest6f53b4eb871790115ad9b5c2e00cdec63a3d5dcfeee812ce9eba86721beb9256

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
SignatureKxprR+lVq4it6m84CfA8wIqFvKG7ZDT49ZdxE/AXDZPPSSubzv4icEGejcgHUu7x/pFVmOfdBbVUdjCHcnsDDA==
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

2026-09-17T10:04:54.047708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079290
observed d9add2ad08e557aebda1b40189f5b878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.027184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079290/manifest.json
observed 6f53b4eb871790115ad9b5c2e00cdec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.008668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079290/publication.md
observed bdc2193789e6306136cc5018f2015db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.989921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079290/publication.txt
observed 2fe7cbfc65bf731327b116fd16ec6c3c...
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.