OpenTechnical

OT-2026-000032419

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000032419) never changes.

Identity and time

Publication numberOT-2026-000032419 · never reused
Internal UUID01a0ae75-106e-778d-b78a-e719982fe309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032419
StatusPUBLIC

Content hashes

Canonical text34a416d122d8dcb28ef03dc786691182e3b01b0f42a1601ccdf3f484fef490b5
Markdown77aea7ffaef93467dba05b01266eb6e9a6d82338db2484a5607bebee671d6faa
PDF
Publication pagedc8db3e9369727cae239171b57dde29628e392c54b4f33240f8b1373a4399514
Manifest3cfbcb995c5e3c2c89e7e0d877a18709d535efab7fa2a64fb24082b88dc92ddb

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
SignatureIxr0LKl26MG+asKE/HC+t4PmP6pexRX+Ts0I3+lrN3e/F2etOFNluNes+iE7SrPzjX1uyAVCmE9NDjZRxoplAQ==
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

2026-09-17T11:33:50.240533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032419
observed dc8db3e9369727cae239171b57dde296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.218753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032419/manifest.json
observed 3cfbcb995c5e3c2c89e7e0d877a18709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.202688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032419/publication.md
observed 77aea7ffaef93467dba05b01266eb6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.185654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032419/publication.txt
observed 34a416d122d8dcb28ef03dc786691182...
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.