OpenTechnical

OT-2026-000080615

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000080615) never changes.

Identity and time

Publication numberOT-2026-000080615 · never reused
Internal UUID01a0ae96-7e79-70c6-a338-908f659f7d63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080615
StatusPUBLIC

Content hashes

Canonical textbfc494e8de9c7c32f0ce4f2e099995753619af7f6e014322a7c9043f3216c2d7
Markdowna1d5357827ae8c4726a8931935f1e5f92af3a76f57718505d775df0acda73769
PDF
Publication page38cb46a27dddc2d41cac840759b15aeb08fbf5649c7eb05fe67719f1f8a1dfa8
Manifest929f88f56c21c6a51266e28e9c4ee4cead551f41761c8ba8b459cc86d92fd94d

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
SignatureABfAs74fffj9tSry2jPC/9gWh21qaK8EU/JCInYkdWpwI3Imdst9EgKtQGeVGYXkLNHPIU8JXoI5lBhYLceRBQ==
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

2026-09-17T10:03:15.294676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080615
observed 38cb46a27dddc2d41cac840759b15aeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.277620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080615/manifest.json
observed 929f88f56c21c6a51266e28e9c4ee4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.261326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080615/publication.md
observed a1d5357827ae8c4726a8931935f1e5f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.243818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080615/publication.txt
observed bfc494e8de9c7c32f0ce4f2e09999575...
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.