OpenTechnical

OT-2026-000071112

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000071112) never changes.

Identity and time

Publication numberOT-2026-000071112 · never reused
Internal UUID01a0ae91-e0eb-7259-b26f-c2d985a669a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071112
StatusPUBLIC

Content hashes

Canonical text2a78a41c928ac91fff683c0426a3308f83ed5d8c3ae8eca5e44b3fdb13a34ebd
Markdown0b56550202a30d65613dbbe526d7fb6e73cdd7e48a46e1c1cbacbf64fe908315
PDF
Publication page35b19778860576a0443e98b6ec8c85563d87bad0e1edc451f71ff6c899dc02f5
Manifest0ed197278417c920784d411131611b66b86365bfc8cf33bfe967e6b996670a99

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
SignatureslrMs4NQwIFx5K4TNSsV2RsaTYdb3oRh15nf7U0mYbsR1FiB7Bpxo83dr/OtxTmibctoFy1y0/0/F6MUFf/+Cg==
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

2026-09-17T10:24:36.183133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071112
observed 35b19778860576a0443e98b6ec8c8556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.164297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071112/manifest.json
observed 0ed197278417c920784d411131611b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.143523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071112/publication.md
observed 0b56550202a30d65613dbbe526d7fb6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.982413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071112/publication.txt
observed 2a78a41c928ac91fff683c0426a3308f...
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.