OpenTechnical

OT-2026-000008608

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000008608) never changes.

Identity and time

Publication numberOT-2026-000008608 · never reused
Internal UUID01a0ae6a-e46b-76d7-b111-4352c2d24163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008608
StatusPUBLIC

Content hashes

Canonical text0f82331a5fd23a83545393ae3d03ba9093ca326bb8ed35c610419256027fa3f9
Markdownbe1aeebde4dbe99041add5f6a09574817a69ffa6e1b9a21ef2033af4544d55a4
PDF
Publication page164c38a59bbf2f3e5854c6f99da6564c311060fb997ce232501335920bed864f
Manifest5eb9cf8d7000d332661c5dfa8d30001f6854827e65dd82301be5e5ab45cd6b51

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
SignatureIITLO4c79zb3mYF6m2FjlWCZEsMD3cEiDoFanCXdKRfp/rUXD28XkRO7aqEQEKYnqNX2wYAqqCWFUxf3cyPDAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:33.803734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008608
observed 164c38a59bbf2f3e5854c6f99da6564c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.785487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008608/manifest.json
observed 5eb9cf8d7000d332661c5dfa8d30001f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.767162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008608/publication.md
observed be1aeebde4dbe99041add5f6a0957481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.743643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008608/publication.txt
observed 0f82331a5fd23a83545393ae3d03ba90...
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.