OpenTechnical

OT-2026-000056681

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000056681) never changes.

Identity and time

Publication numberOT-2026-000056681 · never reused
Internal UUID01a0ae87-7af6-7214-8d72-dee63947d960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056681
StatusPUBLIC

Content hashes

Canonical texta6dcf4e29c685ae989b0b4fc24c0378762b5062db9bd5a2e892470f745f7ed25
Markdownd095aca75980dad430e0f593d82e3e733ca1666212b4172ffb3dd3bac4371913
PDF
Publication page7444bd18eed1182cfe898b20a2b7b99835ab93440e74c64aadd9d18996ff2ba9
Manifest4f34ce3f64a30434cefa99b937f6dbf82fa603944a16d5ed5d9a47735362b849

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
SignaturejZGKbMDK1Y9moc9tsDeHzhdvYk3EzTASw/WFukMKaYcZlzzzA6ShqpxH/bjqaNz/9D+0f3JM01D2nBrs3UbBDQ==
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

2026-09-17T10:50:04.802630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056681
observed 7444bd18eed1182cfe898b20a2b7b998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.780863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056681/manifest.json
observed 4f34ce3f64a30434cefa99b937f6dbf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.760466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056681/publication.md
observed d095aca75980dad430e0f593d82e3e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.742049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056681/publication.txt
observed a6dcf4e29c685ae989b0b4fc24c03787...
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.