OpenTechnical

OT-2026-000100738

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000100738) never changes.

Identity and time

Publication numberOT-2026-000100738 · never reused
Internal UUID01a0aea3-66f4-777c-853f-2ce94ed5a143 · 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-2026-000100738
StatusPUBLIC

Content hashes

Canonical text4864b1084957c63776c5c8ec05759906a8ff9f21ad4509eb0a02faddadf18859
Markdownb1a21fdd0f166ba37104883015ee6cf80ad8850c5617b6a8d9f17245c829dbf9
PDF
Publication page97f2fc0062a5092a766458502e36d833c3519240497fae70963997632548b08e
Manifest062d21b7b457703cb7264f58862c817ab3a5ba314713859f480ea18c8b78a726

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
SignatureB7Nn5u16/4VA8bghMKXs1unZvogAKDMACfyI/esp2RkMHtFhvRzwCb05zQtwT0zMR5MeExmgPTHg0I0HV7StBQ==
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

2026-09-17T09:27:34.235653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100738
observed 97f2fc0062a5092a766458502e36d833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.219010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100738/manifest.json
observed 062d21b7b457703cb7264f58862c817a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.201546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100738/publication.md
observed b1a21fdd0f166ba37104883015ee6cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.183867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100738/publication.txt
observed 4864b1084957c63776c5c8ec05759906...
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.