OpenTechnical

OT-2026-000027541

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000027541) never changes.

Identity and time

Publication numberOT-2026-000027541 · never reused
Internal UUID01a0ae72-6998-7752-9463-a07f7389a5ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027541
StatusPUBLIC

Content hashes

Canonical text9408e583f148ef1000311ad9c50d23baa69509142769a418cdb4b1ee29306e5f
Markdowna00c97c40321a10a07dd097aa039b94710eb92babf4c3042b56321bf27427940
PDF
Publication page356647507ce7baad3848ee1e6e8b1f1c523f7639917a65203bb9d038ecd7311e
Manifest902d0d2800f316ba28daadd6006328cf1fde5c5c370a039ed3dd55592a95b4ea

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
SignatureBtSRWKkwBBWi1b8Y2mGpsMOD8ON86BUqVvHlrcicBr2KQiu2NVJOLcmabyZwuAqEn22qGH/tQpll/rHPn11cDg==
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

2026-09-17T11:43:01.793373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027541
observed 356647507ce7baad3848ee1e6e8b1f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.775446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027541/manifest.json
observed 902d0d2800f316ba28daadd6006328cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.755400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027541/publication.md
observed a00c97c40321a10a07dd097aa039b947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.735298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027541/publication.txt
observed 9408e583f148ef1000311ad9c50d23ba...
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.