OpenTechnical

OT-2026-000095443

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095443) never changes.

Identity and time

Publication numberOT-2026-000095443 · never reused
Internal UUID01a0ae9f-8f73-7674-994b-d14cfaf49937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095443
StatusPUBLIC

Content hashes

Canonical textd194ca5f3298b64b96d62f446f110b4e0f0e4ee63bc583b0f0abdc1dd10d7a4a
Markdown2d29fc18c500497d00ad5f77b2fc9f1f6086f1426345c4d49aaa30380644a9d7
PDF
Publication page3a82c9581a6a94a77961d772a20f0009541bcf2dfd4ff24b1358bc167ae1cdc6
Manifest570410fabe972c216b69ff7bf1c4f60412ef0be3b3d8ce6343e5f7c5c2501d96

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
Signature80YSrL5ZKXSW7eF6qFACqYAaUzLNwoYidspUA93FPaNhy+x+abwpYcfNil/CL6/vyOHSljZ2L7sK5gbzPBtNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:49.051218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095443
observed 3a82c9581a6a94a77961d772a20f0009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:49.033825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095443/manifest.json
observed 570410fabe972c216b69ff7bf1c4f604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:49.015823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095443/publication.md
observed 2d29fc18c500497d00ad5f77b2fc9f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.998365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095443/publication.txt
observed d194ca5f3298b64b96d62f446f110b4e...
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.