OpenTechnical

OT-2026-000052261

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000052261) never changes.

Identity and time

Publication numberOT-2026-000052261 · never reused
Internal UUID01a0ae83-e791-7524-934d-1ffa4636b505 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052261
StatusPUBLIC

Content hashes

Canonical text59e3f9fc29bb1c0110783bccf68b9901e681edebc3140ec5c16d58af6745915d
Markdown22cfdba9754ce6d1b702e519154514364f27d2bf2961db2f74c1a42a66573077
PDF
Publication page9bce927ee52e86c5737e80d93d918e549d5ff1640cc35084dff250eac446434a
Manifest4910056bdf657c78bd34b6f58ccc50029c9ee036aa7ce6be45eb5df3df87b6a5

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
SignatureUh22qIaN3/NFdnMQ2nfxfDTtDcPFHgDDYhh00lXLJFV7Y38T5zai/c5pua0hi1PsIuEwulGxwEiQFk46LE0mBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:50.785118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052261
observed 9bce927ee52e86c5737e80d93d918e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.768269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052261/manifest.json
observed 4910056bdf657c78bd34b6f58ccc5002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.750855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052261/publication.md
observed 22cfdba9754ce6d1b702e51915451436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.733853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052261/publication.txt
observed 59e3f9fc29bb1c0110783bccf68b9901...
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.