OpenTechnical

OT-2026-000047904

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000047904) never changes.

Identity and time

Publication numberOT-2026-000047904 · never reused
Internal UUID01a0ae7f-c421-7d52-939a-bb0fc291f9f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047904
StatusPUBLIC

Content hashes

Canonical text42f811d6ac119222c167c6a7600db6c542b6ecb3519ba7ca05f0bf9add69d21a
Markdownaaeee12b55398ce3961ee813a0d7f0b42f985c63440b17bf23c6e13cabee636e
PDF
Publication page90618d13560c24ead85023bf7475d6374130f7ed5cd92932514b92db018553d0
Manifestb8902646b6203a9731bf36d83531f592a0c01615127499c6d35489597fd50ec4

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
SignatureyhxVL9WX+9dJKcOVdCIed503/cc4tZsc8BCtKo17O2SsA4+CofM60THExpmj2ALFdhgT3zs0uZ5eknyhwtaECA==
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

2026-09-17T11:05:50.744535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047904
observed 90618d13560c24ead85023bf7475d637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.727121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047904/manifest.json
observed b8902646b6203a9731bf36d83531f592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.709345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047904/publication.md
observed aaeee12b55398ce3961ee813a0d7f0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.689932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047904/publication.txt
observed 42f811d6ac119222c167c6a7600db6c5...
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.