OpenTechnical

OT-2026-000065305

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000065305) never changes.

Identity and time

Publication numberOT-2026-000065305 · never reused
Internal UUID01a0ae8e-1dfa-73dc-989f-c44dcf9732d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065305
StatusPUBLIC

Content hashes

Canonical text67dab7ff781cd1ae6ec18a848997b61263a34c4e1eda9f90dea1474784329607
Markdown3c5405f88c603867ce227ce1f5a9bc982f6778675a318f044b56831b189c64f2
PDF
Publication page756c2e2e0c263a04c962271c4e425e668ec760c6e880c7295cc334b9d5d4a4a1
Manifest4eafa5973e34ba3cf1076f1b7b4fb515e01158ea1ee30b24f9fd21fc5b7d54d1

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
SignaturezNNMb8crSZkFuuyD4M4NViTDBmPOK6lLaD12861XFh8kwJITve1Svmo2nB51VUPpplKBK4kC1J9NddTPKq3gDA==
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

2026-09-17T10:35:16.787563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065305
observed 756c2e2e0c263a04c962271c4e425e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.769328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065305/manifest.json
observed 4eafa5973e34ba3cf1076f1b7b4fb515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.752934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065305/publication.md
observed 3c5405f88c603867ce227ce1f5a9bc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.736937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065305/publication.txt
observed 67dab7ff781cd1ae6ec18a848997b612...
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.