OpenTechnical

OT-2026-000070406

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000070406) never changes.

Identity and time

Publication numberOT-2026-000070406 · never reused
Internal UUID01a0ae91-545f-7b7f-8043-34219cc94b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070406
StatusPUBLIC

Content hashes

Canonical text409b0c8d236751ec1ac3458cb4d41daaf12dba1f015b7b3ce71e395094ea5ae2
Markdown3a57853173e5893b68c19dd1acd2bbdaa9112e8af75ce00b9c96bb2a9f983e3f
PDF
Publication pagee1cc9e59b505057f5933906de0bae1b7e93feb662984f497aaa0ded90b064567
Manifest762f32c484ef195d33cffe2e34eb314c3208645ed341657868d675c09dfb6b6b

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
Signature5ymuoQT2NuCl4bVWbPjAEYUXkNuEQb06l1aWmCSqFQjEh6ZC6wuzabJmmdABWPgTlkR58QF2wIlQPZPJiAM9DQ==
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

2026-09-17T10:26:12.886549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070406
observed e1cc9e59b505057f5933906de0bae1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.868218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070406/manifest.json
observed 762f32c484ef195d33cffe2e34eb314c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.850046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070406/publication.md
observed 3a57853173e5893b68c19dd1acd2bbda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.831295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070406/publication.txt
observed 409b0c8d236751ec1ac3458cb4d41daa...
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.