OpenTechnical

OT-2026-000063658

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000063658) never changes.

Identity and time

Publication numberOT-2026-000063658 · never reused
Internal UUID01a0ae8c-f946-784f-a430-bc2b56d7c6c9 · 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-2026-000063658
StatusPUBLIC

Content hashes

Canonical text2db95f6641fd779408ebe61d06ee1b86bd8b61cfd3bc4dbe7ccdc57135119d42
Markdown7269b81db2eef97ae3b730a5118f59c6ebdfc31f18d1d806303ca1b16c78a52b
PDF
Publication page2bfd93d1bb2a29c7ae092261a277e5babc5a8a6a3deb9523ebcc0d0db9910f0a
Manifest52204e825d74783990494508d8937fe140704466dcd4d0a2f8427a809f068848

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
Signatured3mQ9Zv4htZ/zw3AG4elD71qutB0HWxm2FdXSuUoxbW/+3zbVCrD+VTn1RwTMUTXV2KiOdPfDVuLfvGKfqkGAg==
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

2026-09-17T10:37:46.021666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063658
observed 2bfd93d1bb2a29c7ae092261a277e5ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.004992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063658/manifest.json
observed 52204e825d74783990494508d8937fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.987668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063658/publication.md
observed 7269b81db2eef97ae3b730a5118f59c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.969752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063658/publication.txt
observed 2db95f6641fd779408ebe61d06ee1b86...
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.