OpenTechnical

OT-2026-000006881

Publication integrity record

Vacuum cup gripper, per zone isolation, three stage ejector, pressure verified, vented after set down

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-2026-000006881) never changes.

Identity and time

Publication numberOT-2026-000006881 · never reused
Internal UUID01a0a96a-a8fa-7006-9ef8-dc6e77404466 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:52:14.717271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006881
StatusPUBLIC

Content hashes

Canonical textaa117ec177c59e3ce2d1415e6390dead9e81227670657c9be8ffb98179b63b6d
Markdown2ac174460b9bfd5c885ad073108e078fc36458e8025766233bf2ad03dfc9707f
PDF
Publication page2451d6c5346de0d03191170a12930e99de44755188c3b9cffaea4b81266c15c2
Manifestc8ac78f7e25ca113f332c024127bf724380331b1e7185b40fb6aed72cf626a3e

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
SignaturetH3qUBFwQaIvJ35b7MY85jyQhIi/hc+tB7gBL0fPdrS9crZHUnoLrJnMWyIwhhnkxd+fBlREkTNLWafr73MPAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:25.985938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006881
observed 2451d6c5346de0d03191170a12930e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:25.974285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006881/manifest.json
observed c8ac78f7e25ca113f332c024127bf724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:25.960781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006881/publication.md
observed 2ac174460b9bfd5c885ad073108e078f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:25.946161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006881/publication.txt
observed aa117ec177c59e3ce2d1415e6390dead...
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.