OpenTechnical

OT-2026-000067352

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000067352) never changes.

Identity and time

Publication numberOT-2026-000067352 · never reused
Internal UUID01a0ae8f-6bd8-71fb-a348-1cc3760a303c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067352
StatusPUBLIC

Content hashes

Canonical textcf214f4668e1fb7105b2fd094dce57689d6d0b24b2bdbaba31450522c94abd88
Markdown710ea4490aaaaa8be2e50e5a13cdc0e89fafdd6bf89367b253fb161f9acea4a0
PDF
Publication page6eb009bec36c70f5c3c7da8cb3029a150a301727251d92f1671d0f952875e2a9
Manifest0f7f03ebf847242629080962697b32cd00adae070548f9289c0aee479902b983

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
SignatureClv0pJsDcYBnpiJgQC0j0gCu7N2DBQBewIWL+qaumsj9ASB/50aGOuSWANpXPvO3cFYsMUGf2hgkTOvrAKuACg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:32.406987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067352
observed 6eb009bec36c70f5c3c7da8cb3029a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.390912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067352/manifest.json
observed 0f7f03ebf847242629080962697b32cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.373347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067352/publication.md
observed 710ea4490aaaaa8be2e50e5a13cdc0e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.355276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067352/publication.txt
observed cf214f4668e1fb7105b2fd094dce5768...
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.