OpenTechnical

OT-2026-000100678

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100678) never changes.

Identity and time

Publication numberOT-2026-000100678 · never reused
Internal UUID01a0aea3-66f3-74a6-9d58-ddaf74d2aba4 · 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-2026-000100678
StatusPUBLIC

Content hashes

Canonical textf272f8819eff2aefd7d73495dff5e93def61f60345496b8b9a80314b0f249094
Markdown7d357a08efaca32c79225bd1f3d4a61342f9d942000f9ab5e88b5e12ef182b80
PDF
Publication page509704bca71f8a49ef0a9efcc563db5dcb371b12a39135e1c772e59207b8b1d6
Manifest4d8424dbd26b9eab09f3124140e7de5c0e31d0a35ac57a4b475ef87924401112

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
SignatureYLOREjNBclWlIxdi4GTQRP0Zrb7eWJA2/Dy0ju0xugroecfB6AN2G//c82Dkn+bijZxb5vXkmgsj4XR1TDqGDg==
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

2026-09-17T09:27:29.561334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100678
observed 509704bca71f8a49ef0a9efcc563db5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.542912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100678/manifest.json
observed 4d8424dbd26b9eab09f3124140e7de5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.526957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100678/publication.md
observed 7d357a08efaca32c79225bd1f3d4a613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.511144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100678/publication.txt
observed f272f8819eff2aefd7d73495dff5e93d...
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.