OpenTechnical

OT-2026-000030468

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000030468) never changes.

Identity and time

Publication numberOT-2026-000030468 · never reused
Internal UUID01a0ae73-e504-731c-9d46-25b6a30dc4d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030468
StatusPUBLIC

Content hashes

Canonical text17a2a839ab62c0dd7c29624c89106cc57e46ddc551e392e294a6a95b4861d6d6
Markdown9ab4a5838ebd10b7cdf76f8ff492fef09c793133384ce7fda2ffc261f90c7db6
PDF
Publication page4cacc472d1f9408c8306ebcb95d1409ff5cbda0bae2c1215c22174ae517fe81b
Manifest70bb1642c78be70ce12d7f5bcad65029509fb00f66408d866cfb97d5f24c3058

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
SignatureqZSl98f8Qzb5piIERXIIhYN6IoLHF2vvgAUYaR0aGvYZwIzqkkhZXklZLo3sw5LKrL19cAFoTp8pez6OHtUkDA==
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

2026-09-17T11:38:18.552838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030468
observed 4cacc472d1f9408c8306ebcb95d1409f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.531644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030468/manifest.json
observed 70bb1642c78be70ce12d7f5bcad65029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.512189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030468/publication.md
observed 9ab4a5838ebd10b7cdf76f8ff492fef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.491991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030468/publication.txt
observed 17a2a839ab62c0dd7c29624c89106cc5...
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.