OpenTechnical

OT-2026-000030460

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000030460) never changes.

Identity and time

Publication numberOT-2026-000030460 · never reused
Internal UUID01a0ae73-e503-72ce-b079-fd7b1ce1c459 · 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-2026-000030460
StatusPUBLIC

Content hashes

Canonical text0fce8e13fcb5daf536afbad524ed1efd83995a83f918337d626868beff9b3b0f
Markdown84b6c1e3ddb9493ac48e72bd4c1a75bdbe75e05b085d0532cd7b9feb785074a2
PDF
Publication page1c558cdc792fa4a7128d4cfb61c8c25c73505c2dacdab2d5076ce39489906a8e
Manifestc31a7b89774b9653d410194c2b492e2fc30a164a904de458bb1aa09c35c473d8

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
SignatureOXh8TpIG/dxqQA0QJmvmDCovvY05b091Ixu6RFCP5J7kV9MWtg6YszYWVa0pIyRK33X8l+8gE60cbzdmf7CPDg==
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

2026-09-17T11:38:12.341224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030460
observed 1c558cdc792fa4a7128d4cfb61c8c25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:12.324288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030460/manifest.json
observed c31a7b89774b9653d410194c2b492e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:12.305942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030460/publication.md
observed 84b6c1e3ddb9493ac48e72bd4c1a75bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:12.282580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030460/publication.txt
observed 0fce8e13fcb5daf536afbad524ed1efd...
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.