OpenTechnical

OT-2026-000101900

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off 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-2026-000101900) never changes.

Identity and time

Publication numberOT-2026-000101900 · never reused
Internal UUID01a0aea4-50f0-7211-972a-7580009c69c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101900
StatusPUBLIC

Content hashes

Canonical text4e40a956893f8c0a71d8bdc8df9d058e1f1c3e64c704be1583e78f6313643ba1
Markdowne929a4f4d319a70da08981f0d3714fe121fc278812b79ba4bb79b4561185e40f
PDF
Publication page1dea5be8a470ec1908a3d04b1c97d1ca30aa4914fa7a695a43ce793b3341df1a
Manifest95094583f070001e6877229daede88f59214bc92008c2f869eba78f8f80f6f47

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
SignatureSRyDVginEeSK0DvOjYLJFQtAl7h7VcUDtTNyclq4C5997v+58kRb5otb0jNe5d5C5RUHNcBWyaxVx7Q0pqVuBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:30.541458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101900
observed 1dea5be8a470ec1908a3d04b1c97d1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.524156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101900/manifest.json
observed 95094583f070001e6877229daede88f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.505508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101900/publication.md
observed e929a4f4d319a70da08981f0d3714fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.486915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101900/publication.txt
observed 4e40a956893f8c0a71d8bdc8df9d058e...
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.