OpenTechnical

OT-2026-000035680

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000035680) never changes.

Identity and time

Publication numberOT-2026-000035680 · never reused
Internal UUID01a0ae76-b4c7-77cd-8871-383e59c4f1e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035680
StatusPUBLIC

Content hashes

Canonical textefc05048b04cd303590710ccab28ccc4b2c284c51ecd69566aa299185f524908
Markdown51af6cd0ce87d63f3c25a645495e1e396ccbfcda893e6a96e706eceb0234873d
PDF
Publication page70e348aa5a99869dbb301efbdb19c6197fccb7f741c219f8e9d253720f372dd7
Manifest2f2667bbba437ea83babe24e1f1c625e1461a973619b86f6fb40e2441d561bcd

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
SignaturehXrGsqvDjf4X+scvbUmnEzz9Hcsz3U/eddD6uSiEvP+rG/CQL8RD4MbqM6ANBz8qfw4Llv3jBRRMmZq6PixlBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:15.162977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035680
observed 70e348aa5a99869dbb301efbdb19c619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.147030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035680/manifest.json
observed 2f2667bbba437ea83babe24e1f1c625e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.130671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035680/publication.md
observed 51af6cd0ce87d63f3c25a645495e1e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:15.114617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035680/publication.txt
observed efc05048b04cd303590710ccab28ccc4...
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.