OpenTechnical

OT-2026-000022642

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000022642) never changes.

Identity and time

Publication numberOT-2026-000022642 · never reused
Internal UUID01a0ae70-46e9-734b-b250-60848b529c7e · 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-2026-000022642
StatusPUBLIC

Content hashes

Canonical text6413857bd4148d691dcbf99e9c1dbeda7e41a3afbab7f2da67368d4dc86e3a7e
Markdown9a90cc7219a948ef46c9e9f635162d1f8a3caab478f282a6e91bf248c8c2d79f
PDF
Publication pagebab15263538fb2091bef7eb5542a0b93a9e3d2ccb65674d725130094c4f38abf
Manifestfe443d310227d5f8e7e538aa631d5759a914fd85fa407761fcdaa4bc30dd71b2

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
Signature3qNtBatnsHZgivqx7QYvcVFZJxfuoya5jHAEc5UIdX6OWsjfHoI6xRE4zSq10YbPZcm6Dao6l/2OVWRlS58SBA==
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

2026-09-17T11:52:01.339223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022642
observed bab15263538fb2091bef7eb5542a0b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:01.320823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022642/manifest.json
observed fe443d310227d5f8e7e538aa631d5759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:01.300681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022642/publication.md
observed 9a90cc7219a948ef46c9e9f635162d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:01.283114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022642/publication.txt
observed 6413857bd4148d691dcbf99e9c1dbeda...
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.