OpenTechnical

OT-2026-000043533

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000043533) never changes.

Identity and time

Publication numberOT-2026-000043533 · never reused
Internal UUID01a0ae7b-92cf-75a0-8e33-9f701c5c755e · 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-2026-000043533
StatusPUBLIC

Content hashes

Canonical texte256985e828d9d0da74b3863613dba185d7c5a06dcd2f7fd4bef502701d4bbc8
Markdown7afabd997c205e0530585acc040a9154beb543f0268632731c311a202fa8431c
PDF
Publication page39d1f2fc6947289207b7f22f4ecd0225c23e52c2177a5fac804628d83a3db1b2
Manifest200f1759c8fc8a02fd7d846f677b166b972c83076f9616e23d36f9885ad41e50

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
SignatureyIBeXAuTmycQxVAByhAoUHH346WzcHPNyzvDYsgYebE2UsJqQe85n3FyFqEZXsWK3GUDx4sdg0dLNIT+Hgv7Ag==
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

2026-09-17T11:12:54.772217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043533
observed 39d1f2fc6947289207b7f22f4ecd0225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.750694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043533/manifest.json
observed 200f1759c8fc8a02fd7d846f677b166b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.729857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043533/publication.md
observed 7afabd997c205e0530585acc040a9154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.708116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043533/publication.txt
observed e256985e828d9d0da74b3863613dba18...
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.