OpenTechnical

OT-2026-000085475

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, sustained 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-2026-000085475) never changes.

Identity and time

Publication numberOT-2026-000085475 · never reused
Internal UUID01a0ae99-aaab-7c53-b4a3-02879074b622 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085475
StatusPUBLIC

Content hashes

Canonical texta622ee578d768fddb5cce70f48b0d3095cf3492980bd473ea415ef27686b9079
Markdown68aa4eceee2b74568f73d9c0541ef40a10f4a22683a303513418e1438ff9db2e
PDF
Publication pagebc7d894ae5748feb1cacc6c87ccab226561de1503379832df7a3edfa165b6775
Manifest3d55a5138fe043ef1d0a4e86d39c658b78a4546510875a145abb25dedc458cf0

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
SignatureY263LOfyT1Ik6YuCEim7leEtqIcA23x7mM/mcBoDqapPHyTF1PELO+nOcmOk/ZtCIlfum/2MbaM6bST9LgtADQ==
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

2026-09-17T09:54:16.268799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085475
observed bc7d894ae5748feb1cacc6c87ccab226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.253168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085475/manifest.json
observed 3d55a5138fe043ef1d0a4e86d39c658b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.234977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085475/publication.md
observed 68aa4eceee2b74568f73d9c0541ef40a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.216006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085475/publication.txt
observed a622ee578d768fddb5cce70f48b0d309...
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.