OpenTechnical

OT-2026-000046879

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000046879) never changes.

Identity and time

Publication numberOT-2026-000046879 · never reused
Internal UUID01a0ae7e-d0f5-7a9e-b79d-b844727f3c8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046879
StatusPUBLIC

Content hashes

Canonical text660299f5b63b01f4e4f337dd2a8e055f61f97d4af2f7e24cac1e988fd41ac197
Markdown87e4aaba4329c0f20359b037ac7c91756c0358d5a430ed7a2f28f68d3f978872
PDF
Publication page1a5d6f3219a7480e64ae9ec3ddaac9bac52fc1d2b424a7ddca5b0f0eed64f0a8
Manifest04f263f5626a66ea23172f5e6d2cd47204df10e8710715cb8e66a23d58a60aec

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
SignaturevFrJTYVUTeMWo63kv2ViqvfYoEmbVWe5V/U8++p7EqnNPRWmlVRM5LLVJN/ggMYO5T6sk4OZ7QNhZBW0DurCAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:59.312275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046879
observed 1a5d6f3219a7480e64ae9ec3ddaac9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:59.293937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046879/manifest.json
observed 04f263f5626a66ea23172f5e6d2cd472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:59.276354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046879/publication.md
observed 87e4aaba4329c0f20359b037ac7c9175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:59.258106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046879/publication.txt
observed 660299f5b63b01f4e4f337dd2a8e055f...
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.