OpenTechnical

OT-2026-000095572

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095572) never changes.

Identity and time

Publication numberOT-2026-000095572 · never reused
Internal UUID01a0ae9f-8f75-7587-a7df-a02fb516960b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095572
StatusPUBLIC

Content hashes

Canonical text29c2b409cbba84a167ea71e9e80460e2d56cdd4021477528f56e1ec9a9b6310f
Markdown250a1e6b78be51a3ee2870fa4e2e1ad644edf522531fbe4330b624ca6ebd515d
PDF
Publication page09faff921ff2a49e9b229fb39e79a9bf0a4f6f0f098971d0fc1d634c9797d879
Manifest6522fb00b63d2da46a3211fa0d53715ba46dc22f23ee541496b63649bf9ace1a

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
Signature9M5yLctT4fU4ltKb0dKFS+MaolIaCJUK03Fspw5Ak6m1LQHEQ/efcqtL/yLK8smmqreqx6naViek3og4AsTADA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:59.395489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095572
observed 09faff921ff2a49e9b229fb39e79a9bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.379319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095572/manifest.json
observed 6522fb00b63d2da46a3211fa0d53715b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.361858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095572/publication.md
observed 250a1e6b78be51a3ee2870fa4e2e1ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.344533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095572/publication.txt
observed 29c2b409cbba84a167ea71e9e80460e2...
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.