OpenTechnical

OT-2026-000042445

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000042445) never changes.

Identity and time

Publication numberOT-2026-000042445 · never reused
Internal UUID01a0ae7a-5d75-7858-83f9-c3285d38e4c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042445
StatusPUBLIC

Content hashes

Canonical text8b31eccea535bd3311b846761e3796f25a363997f19dfa868a66fe34d621b340
Markdown0639b3d8258106b6a58d9e56209fc6be8784b4fbc9b85be933bff7ea0cb13949
PDF
Publication page0c7dc23dce7068cdf4f15db3533661082baecb9dfda57a93ed5a00553e2a3e19
Manifeste209e5c36cf34d3148bda528ddbfeeec82def5ddacfe33373b5c1e6fda4dd60a

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
SignatureB4huJW+5+7BtE0uJ4t74goUg78WzJm57KC30QGtAK7ijXjLJGUR+Il23pH19VKlV38VmUwyFLNFKkvpUPiESCA==
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

2026-09-17T11:16:14.952205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042445
observed 0c7dc23dce7068cdf4f15db353366108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.935151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042445/manifest.json
observed e209e5c36cf34d3148bda528ddbfeeec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.916708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042445/publication.md
observed 0639b3d8258106b6a58d9e56209fc6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.899537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042445/publication.txt
observed 8b31eccea535bd3311b846761e3796f2...
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.