OpenTechnical

OT-2026-000029404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000029404) never changes.

Identity and time

Publication numberOT-2026-000029404 · never reused
Internal UUID01a0ae73-5e20-7073-a98e-040d3a2a0228 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029404
StatusPUBLIC

Content hashes

Canonical textb9ff210ce87786fa433d3f95b56071bcd1713d735e3c75b869d491ce4bc4d862
Markdown0420492993f08c095193831914109a6901982b92ef5991e3967983049856e35b
PDF
Publication pagefaa5e3f08cb90ecffe0c426755319dfef10fdaafd5c69655005cb9fa3412ef5c
Manifestfa4d42f8e2d09a46791e79645699ec92db744d6ca81fe025d600206ec6f13ea5

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
Signatureyc+2yrTSroAq+T8HSRhmVryEBdeje7K8XazFI7ZdGxGOrsDtWCVsPk2WTsjfpaoYDYM0N8e9Ehf6CWxOBasUDA==
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

2026-09-17T11:39:00.014978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029404
observed faa5e3f08cb90ecffe0c426755319dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.997595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029404/manifest.json
observed fa4d42f8e2d09a46791e79645699ec92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.980154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029404/publication.md
observed 0420492993f08c095193831914109a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:59.961886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029404/publication.txt
observed b9ff210ce87786fa433d3f95b56071bc...
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.