OpenTechnical

OT-2026-000018608

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000018608) never changes.

Identity and time

Publication numberOT-2026-000018608 · never reused
Internal UUID01a0ae6e-d520-7af7-b6f2-25b9313a7b2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018608
StatusPUBLIC

Content hashes

Canonical texta823b741370f261cb55fc7d9733ddbf0d78a37eb396c965c1f12ab578f0987c8
Markdown78bad1bcb86a147ad6e45e616e6003c6ae5f700cf3b3eee1eaf54fdf99d2da6c
PDF
Publication page6bb5a79d355c0a516137561211eccdddce311c4c9b4451f85b9e284488717620
Manifestbf6fb7f16cfe73f970a3c31232549a290a5fd430be224ee9f7142dafd13a94d4

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
Signaturem5RjLPwESTVsqBVs8JFXLYR+L5EKpEA+F5o+khNth3ffrT0Bg09zxa4jSY8TNPyBQXgQ+H6ryOXmbgRlNjB9BQ==
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

2026-09-17T11:59:06.229393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018608
observed 6bb5a79d355c0a516137561211eccddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:06.209048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018608/manifest.json
observed bf6fb7f16cfe73f970a3c31232549a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:06.189103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018608/publication.md
observed 78bad1bcb86a147ad6e45e616e6003c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:06.172266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018608/publication.txt
observed a823b741370f261cb55fc7d9733ddbf0...
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.