OpenTechnical

OT-2026-000066863

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066863) never changes.

Identity and time

Publication numberOT-2026-000066863 · never reused
Internal UUID01a0ae8e-ce43-7da3-bd17-e938601e2a8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066863
StatusPUBLIC

Content hashes

Canonical textaafe7d45f35667a24d3e6884b3f557af2b99d5564356bc2c1d0511f6cb9b7982
Markdown54ae2fa9e132ffcb0ee76f5eefdf987ea096f8a80bed4b18de15b8503819c57d
PDF
Publication page78bb905389cb26ebaba0624fdc7cf8a106dd11f009396b276f41911805460805
Manifest09b6bf36c0dd02211d8c8e1f99980883e26c61bcfb58eb466e3a9d60d0a2bd10

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
SignatureARy0c7cO/dfFvTn5nVR9+V0DB9zGtiqSJSEjN23FP1GE7lBto2mwfkSJ6VqWwxGhQFdCfFlb6wYJLrPZmhGhBQ==
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

2026-09-17T10:33:18.361885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066863
observed 78bb905389cb26ebaba0624fdc7cf8a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.344926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066863/manifest.json
observed 09b6bf36c0dd02211d8c8e1f99980883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.328246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066863/publication.md
observed 54ae2fa9e132ffcb0ee76f5eefdf987e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.311080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066863/publication.txt
observed aafe7d45f35667a24d3e6884b3f557af...
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.