OpenTechnical

OT-2026-000009943

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000009943) never changes.

Identity and time

Publication numberOT-2026-000009943 · never reused
Internal UUID01a0ae6b-cb79-7a3b-951f-fa649625ccca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009943
StatusPUBLIC

Content hashes

Canonical text3cb4566f0f103d064df416cd10275022cef217731060f8bb7c820abcb776d5ee
Markdown8215227546fb6a1fdeca44060d25a19100681fa8a27c0977eae051c7f4c8a5be
PDF
Publication page927d69fad7b10dc9b997439fe26f78e26300d75ea1e0719abf361984e5155734
Manifest00f48f91e390bf484c20a4d7e055455afb0c09d48cf9ebd8aa0a8bf6370fced2

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
SignaturecaF7O0fxIqWx8MACAXaCyDll9drY+zWGHLrLbxVJAYNzh8rkIOT3TvUwTaMR6g4+rH9fCBoJwFSN/+TjDIVGDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:58.471881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009943
observed 927d69fad7b10dc9b997439fe26f78e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.453295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009943/manifest.json
observed 00f48f91e390bf484c20a4d7e055455a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.433133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009943/publication.md
observed 8215227546fb6a1fdeca44060d25a191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.412989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009943/publication.txt
observed 3cb4566f0f103d064df416cd10275022...
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.