OpenTechnical

OT-2026-000085563

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000085563) never changes.

Identity and time

Publication numberOT-2026-000085563 · never reused
Internal UUID01a0ae99-aaac-7517-80be-59f7a1c8b898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085563
StatusPUBLIC

Content hashes

Canonical text99b825e90c317b0fed8da3910c5fb6a315e5b250cbc91f0fa897ff4f732a115d
Markdownb90c0021179e73edaef5dfb6e272bd5c0ed364006b09e43fcb9fce29bc36e742
PDF
Publication page1e112a8267851087994665e4522f906ba04dac5a7e452221cbb64d5226ce136d
Manifest7976c7268c399e113122c244e5d66a6f44c3c05de909a55941815b9e8c6ec119

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
SignatureQ3JT+YVXYDwSD8u0OGbd6QnjcJ0NeFlFyeQ3XQnj5MdG704hoXjGWo1eFgRH0lBm3sLnbatx+HE6xOJUyjPNAA==
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

2026-09-17T09:54:23.060878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085563
observed 1e112a8267851087994665e4522f906b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.042226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085563/manifest.json
observed 7976c7268c399e113122c244e5d66a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.021986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085563/publication.md
observed b90c0021179e73edaef5dfb6e272bd5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.003081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085563/publication.txt
observed 99b825e90c317b0fed8da3910c5fb6a3...
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.