OpenTechnical

OT-2026-000050908

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000050908) never changes.

Identity and time

Publication numberOT-2026-000050908 · never reused
Internal UUID01a0ae82-c7b3-7c08-99dc-2b22abfe030f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050908
StatusPUBLIC

Content hashes

Canonical text1134461ed29d64ad4331b942e13dba447c97f8c698312f79bfad53241b26acc5
Markdown2e59d94d4f1b9551f50379b49eee86a7b69fc18f256bc28eac8d371b42c15f5c
PDF
Publication page054ebbac2c0bf5e7837d9e9d33219d9549185dfbda899477eb068995d4ed1223
Manifest52ddc7d99629dcfa76592c45d64bdde71f4444f1ead34741b353b83f29de42ca

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
SignatureSbxNi2I4h1KpJuxmEKz6ICbcUtqg5aOXrQj9zyC5ifWTR0Muhito20R0vOl6brjW2inwyE4+1B3Eq2IOfls3Bg==
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

2026-09-17T11:00:39.513679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050908
observed 054ebbac2c0bf5e7837d9e9d33219d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.494509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050908/manifest.json
observed 52ddc7d99629dcfa76592c45d64bdde7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.473159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050908/publication.md
observed 2e59d94d4f1b9551f50379b49eee86a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.468666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050908
observed 054ebbac2c0bf5e7837d9e9d33219d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.448588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050908/publication.txt
observed 1134461ed29d64ad4331b942e13dba44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.446997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050908/manifest.json
observed 52ddc7d99629dcfa76592c45d64bdde7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.422970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050908/publication.md
observed 2e59d94d4f1b9551f50379b49eee86a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.390091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050908/publication.txt
observed 1134461ed29d64ad4331b942e13dba44...
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.