OpenTechnical

OT-2026-000043705

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000043705) never changes.

Identity and time

Publication numberOT-2026-000043705 · never reused
Internal UUID01a0ae7b-92d1-7c0b-9206-2a863d3906bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043705
StatusPUBLIC

Content hashes

Canonical text53b30d0f9cae39c3892ceb59a589a96119cbd1ed70720e49553803bcae43c223
Markdown5c4f8d7544a222632f255b4975832c615057ace99ad203699ee8cb2b1d2452fc
PDF
Publication pagee0cac04fb17a45742c81b1d2b5fef9924ef87efb66bd9f5ce2bb4b19e6ca61e1
Manifeste46dced548aee1daa355e577b8bf3a09850fd89a8300cea27109b0bebbf6e6b2

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
SignatureUw06YF74gqhWU3JCmH/qiETPjquODGeWo1WbEmZyF/yO6wTCCmO49kxjt/rP7y5SvHyrhExM7aqH0rggbFJGDQ==
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

2026-09-17T11:13:12.145342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043705
observed e0cac04fb17a45742c81b1d2b5fef992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.126706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043705/manifest.json
observed e46dced548aee1daa355e577b8bf3a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.110906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043705/publication.md
observed 5c4f8d7544a222632f255b4975832c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.094319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043705/publication.txt
observed 53b30d0f9cae39c3892ceb59a589a961...
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.