OpenTechnical

OT-2026-000022401

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000022401) never changes.

Identity and time

Publication numberOT-2026-000022401 · never reused
Internal UUID01a0ae6f-f4fd-715f-b961-9159f798051a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022401
StatusPUBLIC

Content hashes

Canonical text21f1d542c22ef9f5e9612dd3f9b6f0c413a6dc973b7b213f3edab94a31d5ca97
Markdown45e5cb56bdceb8cfb01264f9dfaccdd7d372b89b2ac386f3afe1a9063afa97be
PDF
Publication pageb73ea26d3740e86748601d348d31d85155017a840b6256993446cc33eafcdf43
Manifest504a2871324b3c902784f19fdabcc1f731b7eaf1b9fe75bd6ea716a0e2ed5448

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
SignatureN7Xd2HY5f2Y03ZZy5sfNTON8oU7aOcWZm28nhkCw7AN+FZ8NSLt7v31GqwU7X24cXNPoVyuZdyDKibn219bvAg==
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

2026-09-17T11:53:46.579314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022401
observed b73ea26d3740e86748601d348d31d851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.562082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022401/manifest.json
observed 504a2871324b3c902784f19fdabcc1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.543303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022401/publication.md
observed 45e5cb56bdceb8cfb01264f9dfaccdd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.526049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022401/publication.txt
observed 21f1d542c22ef9f5e9612dd3f9b6f0c4...
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.