OpenTechnical

OT-2026-000034444

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000034444) never changes.

Identity and time

Publication numberOT-2026-000034444 · never reused
Internal UUID01a0ae76-12eb-7b13-b43d-d3face0eb283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034444
StatusPUBLIC

Content hashes

Canonical textf3c8139012c5bdacecbbb6520cc9280f98fca77c308a852dee59a5d96c8b6fa0
Markdown3738f572832b8002b8455aeef3228c13a031181bea5950983299bb624b146c6a
PDF
Publication pagec4870c4158c0db22c5cac74d00c9205c156a99b6c12f6a0de8c5029b070374d2
Manifest849d0e09cbb5f76cfc41427df5ba240cf0a97ccca0363b342c5b9155b7829d1f

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
Signature5tg1aUzcjMyrsEPfu/TMVO0tRjqL1db+aQNYOAdHTX1PHRzgpRWnqZuouyPFNhX6xN9n4DolgRBq/0HWuZ8pBw==
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

2026-09-17T11:30:46.196665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034444
observed c4870c4158c0db22c5cac74d00c9205c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.173441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034444/manifest.json
observed 849d0e09cbb5f76cfc41427df5ba240c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.152470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034444/publication.md
observed 3738f572832b8002b8455aeef3228c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.134849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034444/publication.txt
observed f3c8139012c5bdacecbbb6520cc9280f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.960494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034444
observed c4870c4158c0db22c5cac74d00c9205c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.941589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034444/manifest.json
observed 849d0e09cbb5f76cfc41427df5ba240c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.925043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034444/publication.md
observed 3738f572832b8002b8455aeef3228c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.906692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034444/publication.txt
observed f3c8139012c5bdacecbbb6520cc9280f...
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.