OpenTechnical

OT-2026-000023243

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000023243) never changes.

Identity and time

Publication numberOT-2026-000023243 · never reused
Internal UUID01a0ae70-7267-7ca1-8166-03f13ee740f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023243
StatusPUBLIC

Content hashes

Canonical text004125a252cda6248d53d9e09d1ea5bb43cdb0cedf5e5f3917e136ade7122ef2
Markdown22c63fad7f6986722024289ab014bf58eef673211b8629f789542299600bf3c3
PDF
Publication pagefad618aafd075ed4ff96f9e6d43774032a5444a0f369860472719db034319907
Manifesta854bc0c84940f601f05bcafbbb1496f1f0e1efe563a6349fa6f967b62387ad8

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
SignaturekeOjIIyHKml8LdZNe4uw30L3j9XubbLDxmjuzs6+QwSSHELgThKLomblgxa7TiRCHTYMx4qbFHpTWnmnLKZICQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:18.439922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023243
observed fad618aafd075ed4ff96f9e6d4377403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.421290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023243/manifest.json
observed a854bc0c84940f601f05bcafbbb1496f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.402867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023243/publication.md
observed 22c63fad7f6986722024289ab014bf58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.363258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023243/publication.txt
observed 004125a252cda6248d53d9e09d1ea5bb...
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.