OpenTechnical

OT-2026-000098574

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000098574) never changes.

Identity and time

Publication numberOT-2026-000098574 · never reused
Internal UUID01a0aea2-42ac-7056-954b-3b155cd44afd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098574
StatusPUBLIC

Content hashes

Canonical text7275131b0bff4631d6d07a2059896c9d0ff4af299b1f5f077326274f26e2f191
Markdown124b08602c1e2ca1104075f0c396549ba001dab7e14066f562445092b87aba3b
PDF
Publication page2efee516c393848d59105dbd686b8c4a13849d3ed005527c6bee2fff5387701d
Manifest467efb722d21ecbab4643719a799b899eeb44fe8a17f7d7a9f57d1d9927abb73

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//NBtlHrDD5IgMbVAESHUAfJrdySmoanjpSB+30qlysw+0KQzI3viekqCtSlK95iGargHOvAEDNRLH5YcQKLBw==
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

2026-09-17T09:30:50.276795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098574
observed 2efee516c393848d59105dbd686b8c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.260499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098574/manifest.json
observed 467efb722d21ecbab4643719a799b899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.243451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098574/publication.md
observed 124b08602c1e2ca1104075f0c396549b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.225352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098574/publication.txt
observed 7275131b0bff4631d6d07a2059896c9d...
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.