OpenTechnical

OT-2026-000082174

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000082174) never changes.

Identity and time

Publication numberOT-2026-000082174 · never reused
Internal UUID01a0ae97-4d93-7a74-9843-9113cbce1afa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082174
StatusPUBLIC

Content hashes

Canonical texte83f8dc8389dab807047ca2c0839d0107c1c39fcd75ca687a373259634888d1b
Markdown8a13b4a69b40815a9a9c6edae285e9e916945605faef07c6e0d9a28d5a398eb3
PDF
Publication page780202111dab024279ce71bf5961c5f52b24bd1435de81181f4fb0a4ef1615bf
Manifest2d427740b5c2f34591b7bc84128d7f1b61b38b0f1297d25cfbb423e5698e0cad

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
Signature5AwMYDRibE6ovD852vBsRlu3yA1WVtWcdLUlAP0BHyrtWZvYPXShuyTtisgbADVTF+zsXXrv9JD03sCg8m2XCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:00.049463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082174
observed 780202111dab024279ce71bf5961c5f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.030015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082174/manifest.json
observed 2d427740b5c2f34591b7bc84128d7f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.013846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082174/publication.md
observed 8a13b4a69b40815a9a9c6edae285e9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.995474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082174/publication.txt
observed e83f8dc8389dab807047ca2c0839d010...
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.