OpenTechnical

OT-2026-000079559

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, 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-2026-000079559) never changes.

Identity and time

Publication numberOT-2026-000079559 · never reused
Internal UUID01a0ae96-0b92-7963-9f27-c87c770884f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079559
StatusPUBLIC

Content hashes

Canonical text68aba42e2dd9880cbcae8e7b12c6dfd236315cb98b07363f94ad069d89ad8d2e
Markdownc0c39ab057063b782054133f8185e5182ac639f95eddfd6ffc40ab6889015eff
PDF
Publication page2f01c6b9f1f8b2b2e5dc48efacfdf4456fc268713b546b473299eea1a8cefccd
Manifest13c25e1c33cc167d1e64e84ff5627b177040aa046dc381929d2ab32e8ec410a7

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
Signaturek+OnmK9wWg8vSLQ3Xr0lcQ2YUHu9zPpyy8BKYscgbTUyGgTLU3xjyt0xyXihWveB9bfWKYOfzj6qt7RjQ2vGAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:12.576924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079559
observed 2f01c6b9f1f8b2b2e5dc48efacfdf445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.557693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079559/manifest.json
observed 13c25e1c33cc167d1e64e84ff5627b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.537350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079559/publication.md
observed c0c39ab057063b782054133f8185e518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.519462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079559/publication.txt
observed 68aba42e2dd9880cbcae8e7b12c6dfd2...
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.