OpenTechnical

OT-2026-000034440

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000034440) never changes.

Identity and time

Publication numberOT-2026-000034440 · never reused
Internal UUID01a0ae76-12eb-73e3-8345-772883c5c25a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034440
StatusPUBLIC

Content hashes

Canonical text8b0d050be79ba8dcad5d3a3a7b60ae30668ec0d02bc8a9f1c64a9d7a861cce6f
Markdown0324f2381501151a3c376b8334a5cbf5d19fe7a68cb03682bff9537499737173
PDF
Publication page1f41226438090d9f6bec58ed9fcec0460ed9515dc2f9876055cace2f095eac12
Manifestfd1782f0cfac7544772c81163ec6ed262a64621262d3b45318f23b2565c528e0

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
Signature51b7GjM4pcYxjvM6dqAsTkp0nNXzfixWw8A5NLcjTQoxzD6R9T7E6JtgDxCbz2rjbJl0Zep4agB5xYMHpfO0BQ==
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

2026-09-17T11:30:45.877961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034440
observed 1f41226438090d9f6bec58ed9fcec046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.859823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034440/manifest.json
observed fd1782f0cfac7544772c81163ec6ed26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.839024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034440/publication.md
observed 0324f2381501151a3c376b8334a5cbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.821049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034440/publication.txt
observed 8b0d050be79ba8dcad5d3a3a7b60ae30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.650033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034440
observed 1f41226438090d9f6bec58ed9fcec046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.629185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034440/manifest.json
observed fd1782f0cfac7544772c81163ec6ed26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.609593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034440/publication.md
observed 0324f2381501151a3c376b8334a5cbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.588032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034440/publication.txt
observed 8b0d050be79ba8dcad5d3a3a7b60ae30...
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.