OpenTechnical

OT-2026-000038947

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000038947) never changes.

Identity and time

Publication numberOT-2026-000038947 · never reused
Internal UUID01a0ae78-76a0-7db0-aec3-cec5794f95cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038947
StatusPUBLIC

Content hashes

Canonical text5a4ad1c2017acca24888d39dda91db803c591fbb37038fe83d03c6a8c627e0bd
Markdown3d40a364498a488315735e9171952c9d7d78f22cc62cd643e94893350e7fb84a
PDF
Publication pagefdde7395c854bd3248f4e1bb1a6776a6760068e90b329fc207a68d3ff28f8b7f
Manifest1cd042b0e7c1aeca2a97ec7c3d180781b18ef0c9e699fa09a74bfade6dc7d932

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
SignatureKlmosT9kWYkWA9y156yXioes6kqvO8iYvMQWBico2e/pNbEmoNdLmtdq6ZFrDlnwtczh2aRTERS89kCfxkVJDQ==
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

2026-09-17T11:22:13.070712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038947
observed fdde7395c854bd3248f4e1bb1a6776a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.054687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038947/manifest.json
observed 1cd042b0e7c1aeca2a97ec7c3d180781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.038416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038947/publication.md
observed 3d40a364498a488315735e9171952c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.021829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038947/publication.txt
observed 5a4ad1c2017acca24888d39dda91db80...
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.