OpenTechnical

OT-2026-000085581

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000085581) never changes.

Identity and time

Publication numberOT-2026-000085581 · never reused
Internal UUID01a0ae99-aaac-7fc2-bd13-3601b5bcbcf7 · 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-2026-000085581
StatusPUBLIC

Content hashes

Canonical text6a69940cdee744e9732c9c83224b3389f1b25ff556ab15108a1cd4c7dea16c08
Markdownd243ec03c8b0fce7a4d531b0fce18c973ca1988f99d1ba97ac714f61d364e8d2
PDF
Publication page85bbfe726491da38ada0e31596e74eacad1c56eb2aa13ced1bf9109ca6f2847f
Manifeste0c209622e012355f04fa886365f2174f076ebbd2e5c40de0fd68cb8040ec536

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
Signature5zI8bWoaU2/Ct9XdVnp6a7JixV0b4GGLLnSNXBRbmrOI6b48ZHnqmWZ4n6Q5g0k8sQ+wxM2eAdKBCn5iRFYKDA==
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

2026-09-17T09:54:27.098219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085581
observed 85bbfe726491da38ada0e31596e74eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.080778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085581/manifest.json
observed e0c209622e012355f04fa886365f2174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.063592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085581/publication.md
observed d243ec03c8b0fce7a4d531b0fce18c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.043826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085581/publication.txt
observed 6a69940cdee744e9732c9c83224b3389...
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.