OpenTechnical

OT-2026-000023570

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023570) never changes.

Identity and time

Publication numberOT-2026-000023570 · never reused
Internal UUID01a0ae70-7269-705a-87c4-29fb89e380db · 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-2026-000023570
StatusPUBLIC

Content hashes

Canonical text264b9c7809be96fd0177d4a558f4cdd07893abd93e71509e3dba4d682e1a2101
Markdownc1f136de6d78dcb954327bd0705a4cd549524dd3621375d52c33f326c82db7f2
PDF
Publication page0cbb0c06915c5cd6b14dee49d172d1117a5d2b0c7a963681e9dbae2c7ca7931a
Manifest3cf308a57229dd5e83a8d12a38969a4c5a40f259d27ae72bfa609d964909a1a0

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
SignatureDKwUUPPIeHOoxl2Qm8ZkzQtRIEWncpqgi6o+jXCQLysmDN4LXRHp6KDB9o9lZpEYQ4eVKjYT1QDHh8H4dItfAw==
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

2026-09-17T11:51:55.355062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023570
observed 0cbb0c06915c5cd6b14dee49d172d111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.336050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023570/manifest.json
observed 3cf308a57229dd5e83a8d12a38969a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.316476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023570/publication.md
observed c1f136de6d78dcb954327bd0705a4cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.293608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023570/publication.txt
observed 264b9c7809be96fd0177d4a558f4cdd0...
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.