OpenTechnical

OT-2026-000022672

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000022672) never changes.

Identity and time

Publication numberOT-2026-000022672 · never reused
Internal UUID01a0ae70-46e9-7da3-a2a7-2fdc252bda8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022672
StatusPUBLIC

Content hashes

Canonical text6a6178a0a40ff146bc213d1a51e90020d3042dc625e2f6ea537fe9c3cbfdea79
Markdown2679c801c0a56dfdd750845acfa43756c768e757eab5f90d8db51d1ca42b39ca
PDF
Publication page5aafc5cc4b86002d0fb31b2e9f1c1ae6d7996eac565cfade1da746ccf94c8847
Manifestecfcc83dc81b2aa7045afa758ab5d73520d20dde174479ca36c904a0d41e4914

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
SignaturehsNo33kQMgdUOjUEOni3JEPBTirtD9pe3sMkBMZxiTZTxI96Bs546efr7+K2/tiGaC/GDq0vumUykUMHdW3TBQ==
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

2026-09-17T11:52:03.476551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022672
observed 5aafc5cc4b86002d0fb31b2e9f1c1ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:03.460151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022672/manifest.json
observed ecfcc83dc81b2aa7045afa758ab5d735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:03.442733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022672/publication.md
observed 2679c801c0a56dfdd750845acfa43756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:03.425241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022672/publication.txt
observed 6a6178a0a40ff146bc213d1a51e90020...
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.