OpenTechnical

OT-2026-000010223

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000010223) never changes.

Identity and time

Publication numberOT-2026-000010223 · never reused
Internal UUID01a0ae6b-cb7b-7c15-8632-c988a78d4332 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010223
StatusPUBLIC

Content hashes

Canonical text8ae4c13b3d668a33bf0767b006faaba794240e7c8d3a1a118e2b999f8d367b3c
Markdown1e1c1076f8e63d98f1eb66d878abbd67c3e7b3a581f941e1565f8e8d93753158
PDF
Publication page852779a2851c05b810518103983edd1e1a9b538f49339de6074d00dbfb9f1ae1
Manifest079a5b40c91a979a3d96f09fd770a1f2352a8003b1565ae8bde8493a7d66a160

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
SignatureY960FjVFfAK7b6ko7Xmv3J3b1X5tv/FtGbX0htNe2OdZe8m4fmQ6e6WbY9L2yKEyqIrauAidknPRXQXRlysJBw==
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

2026-09-17T12:16:21.031420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010223
observed 852779a2851c05b810518103983edd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.011560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010223/manifest.json
observed 079a5b40c91a979a3d96f09fd770a1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.989366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010223/publication.md
observed 1e1c1076f8e63d98f1eb66d878abbd67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.968936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010223/publication.txt
observed 8ae4c13b3d668a33bf0767b006faaba7...
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.