OpenTechnical

OT-2026-000008347

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000008347) never changes.

Identity and time

Publication numberOT-2026-000008347 · never reused
Internal UUID01a0ae6a-e469-77ca-9edf-ca24e9ad91be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008347
StatusPUBLIC

Content hashes

Canonical text295f9cc0debd41fce6f38dc6f53f1103cac5b5f42c712b65c0b95ffa6d0f6555
Markdownd4f309e86179191546e89db205db2ab2a9c477e67875b87d353ce9c8ca7873ec
PDF
Publication page4cd131a2af531101e9b1488fda3bc6c534dd029aad01f1d8b7d63525d5ddeb14
Manifest4709dcd27534b650f08987271083eff1791f1dd7f9060644b04f546477bb5707

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
SignaturemEqU35vUBAMlr0jT+Ixj3AT4Yi+tWVlof39V2PPHXA1+I2+A1Y5rwDP1GIosPfeExsGs29OTN866S8TPQtXYDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:10.020297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008347
observed 4cd131a2af531101e9b1488fda3bc6c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:10.001719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008347/manifest.json
observed 4709dcd27534b650f08987271083eff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:09.984910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008347/publication.md
observed d4f309e86179191546e89db205db2ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:09.966447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008347/publication.txt
observed 295f9cc0debd41fce6f38dc6f53f1103...
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.