OpenTechnical

OT-2026-000022202

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000022202) never changes.

Identity and time

Publication numberOT-2026-000022202 · never reused
Internal UUID01a0ae6f-f4fc-73ab-93b3-a140682d6856 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022202
StatusPUBLIC

Content hashes

Canonical textbeba499591533ba02b1e31216788958fe8d9c36a1901c1e5a7acea49d2a07201
Markdown6aef702b196970107ff29ed43ebf602ac76099ba59e2ff19688ae3238532fdf6
PDF
Publication page5744c71c53957402e1d65f50082d1718e784aef32b30f83f656df23d696d07b3
Manifestdb4026c63b08bbbb0bc32cc042818c95e2682b1c5d16bd53aabc6a148db447e4

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
Signature5tYoCzZKXzTZLM7gz0Dj9tCRoVvsg4UK8ExmoZF95ugnmfn2etVT4GOX0meCjyO4i2R+ST76co1Hfi/fXwHXDw==
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

2026-09-17T11:52:45.440976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022202
observed 5744c71c53957402e1d65f50082d1718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.405586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022202/manifest.json
observed db4026c63b08bbbb0bc32cc042818c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.389131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022202/publication.md
observed 6aef702b196970107ff29ed43ebf602a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.353853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022202/publication.txt
observed beba499591533ba02b1e31216788958f...
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.