OpenTechnical

OT-2026-000085569

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000085569) never changes.

Identity and time

Publication numberOT-2026-000085569 · never reused
Internal UUID01a0ae99-aaac-78f1-be27-34c608a8b52f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085569
StatusPUBLIC

Content hashes

Canonical text70f3b9acc2ce0fb2e7c4a1ec913dee2d682f2dd100cd3b58a7edd58a8fd083eb
Markdowneabc6fde8b75a9f9c78d343957d84f8994044ad8c7ca72e109f454aa83bc6bca
PDF
Publication page0e0145bec25e59356322f5d373463c88711aa1ed24bcb14560a894f5aa2f0391
Manifestbb48f35940eda0f32e747b77786da44b7f2b5af6dfdc62d30fad87248d49f860

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
Signature1aqOm+H9sU6z1HIW00kyJjwLLhdeVTRsanFw7je8QFglABsvQB1H/R51+lu0tEnDwoixz0zOJfcRpkfyX459Cg==
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

2026-09-17T09:54:23.511611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085569
observed 0e0145bec25e59356322f5d373463c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.494310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085569/manifest.json
observed bb48f35940eda0f32e747b77786da44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.475836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085569/publication.md
observed eabc6fde8b75a9f9c78d343957d84f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:23.458133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085569/publication.txt
observed 70f3b9acc2ce0fb2e7c4a1ec913dee2d...
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.