OpenTechnical

OT-2026-000025019

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000025019) never changes.

Identity and time

Publication numberOT-2026-000025019 · never reused
Internal UUID01a0ae71-2728-7039-8e7f-1375ae555bb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025019
StatusPUBLIC

Content hashes

Canonical text6ef3b3295d382a339e798ff02a659b6db81a1dfc178c6a60f0210d5be08d48d1
Markdown6f6a71aa08cc3cecd7e39bb0afcc2e963f70dfae9aac51a4eba07ca2e00a34cb
PDF
Publication pagebea1beb9529481cf33dc4b5d6c577f38f9723f4b5774cc668394efd753cb6441
Manifest86e177bdd597becb3ea542bfea80f92449a97ffe7a3eff3f8cd26b9ab588445d

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
Signature+wG+pw1yjQ7XN5x81uAr79ygKM3KSxhnvpoS4hKOqy0TaQAgHQMEY4f4Gx0+lwy54HQr0rhw7YqadHKLrMBGBA==
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

2026-09-17T11:48:25.281230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025019
observed bea1beb9529481cf33dc4b5d6c577f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.262579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025019/manifest.json
observed 86e177bdd597becb3ea542bfea80f924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.244923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025019/publication.md
observed 6f6a71aa08cc3cecd7e39bb0afcc2e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:25.226929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025019/publication.txt
observed 6ef3b3295d382a339e798ff02a659b6d...
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.