OpenTechnical

OT-2026-000063334

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000063334) never changes.

Identity and time

Publication numberOT-2026-000063334 · never reused
Internal UUID01a0ae8c-f943-7603-a90d-f875ee8453f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063334
StatusPUBLIC

Content hashes

Canonical text4aa4e9a84e744f24a16fa34a3dcef2939b592e9bc3fe114973bf2e8624d20870
Markdown799f053b84ff0d1b29ab7a3a602f31f6bff9361b45aaa0da6ba2bac58aaee7a1
PDF
Publication page7fcf18cdd4939ec3ad68749437fe62f6b92156b0dd9106d7c9613ac4b1c99bcb
Manifest81de0c462223d1aba8b6491cf07685b7f8721431961944cfcfc4c5ff427af1d3

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
SignaturefW8HQ7zv3zYtDQZ1qpqUUan4GI/Myg0lAsE+6JJ8ZrfDW3F9LX39vz4wNc2JsCTJ9GwkinIQi6OdGxh3dY7+AA==
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

2026-09-17T10:37:13.843110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063334
observed 7fcf18cdd4939ec3ad68749437fe62f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.825347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063334/manifest.json
observed 81de0c462223d1aba8b6491cf07685b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.773000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063334/publication.md
observed 799f053b84ff0d1b29ab7a3a602f31f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.717809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063334/publication.txt
observed 4aa4e9a84e744f24a16fa34a3dcef293...
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.