OpenTechnical

OT-2026-000039344

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000039344) never changes.

Identity and time

Publication numberOT-2026-000039344 · never reused
Internal UUID01a0ae78-9674-70a9-958a-9bafbf5705ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039344
StatusPUBLIC

Content hashes

Canonical texte581a854a1d37fe296d856455bead8d7954700eecd8e7ad43a2db40399313a53
Markdown8720e55569cd542f3981c13b93ba6d2f73a37640980b3f1e6d4124b3decd83de
PDF
Publication pagec2980a39daa7ac4886d53c7b4e824255378dc0238048204e1f63496a760b282d
Manifest181364aa12c59794dda5313e1d2c6d612f680811c89537fb1c4346bb07211c25

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
Signature1HWzO/OVqv5uPYxgMfcgUIGVT5YZXr/z31QrjDCWMAy1a6ypoQgxR8SwjnkLudcqnDkG7pNSjBMf/E6RXZlhBQ==
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

2026-09-17T11:20:56.502039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039344
observed c2980a39daa7ac4886d53c7b4e824255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:56.484736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039344/manifest.json
observed 181364aa12c59794dda5313e1d2c6d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:56.468150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039344/publication.md
observed 8720e55569cd542f3981c13b93ba6d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:56.451734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039344/publication.txt
observed e581a854a1d37fe296d856455bead8d7...
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.