OpenTechnical

OT-2026-000100590

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000100590) never changes.

Identity and time

Publication numberOT-2026-000100590 · never reused
Internal UUID01a0aea3-66f2-7a7f-bb1d-45d92f149e4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100590
StatusPUBLIC

Content hashes

Canonical text5f62b8ecf4c3422c7a6b2acf2c01dae8e13e958df4d62bee7c6c4acabcb9b156
Markdownfffa152fa8f11a4a63cb83fa2f20025985c2f8372e33ff815e4d4c0044d9da08
PDF
Publication pagec427bf5eda97ebd670b24c6b01702287cec5900de9c0f055d3923fd115d2ad42
Manifest9b33673b8d17d5a010f08fe29741554c1d1cecca1f7775a528bf1d69626d2c5f

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
SignaturehG2iJxViCGCpQ7GJcbJrORFqSgOmee7Ir14O8nmbtiVA/DqUxZbfOvkdlTDtIWihOMoh7e3l8YrR5oy5a8K5Bg==
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

2026-09-17T09:27:22.581071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100590
observed c427bf5eda97ebd670b24c6b01702287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.564529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100590/manifest.json
observed 9b33673b8d17d5a010f08fe29741554c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.548403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100590/publication.md
observed fffa152fa8f11a4a63cb83fa2f200259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:22.530067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100590/publication.txt
observed 5f62b8ecf4c3422c7a6b2acf2c01dae8...
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.