OpenTechnical

OT-2026-000039341

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000039341) never changes.

Identity and time

Publication numberOT-2026-000039341 · never reused
Internal UUID01a0ae78-9674-7216-8458-7e2b31fad436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039341
StatusPUBLIC

Content hashes

Canonical text5c846cabbc42d84e4df344a0e8759dbe3cb764c655fff4f9ccccef56598afa10
Markdownd1fa96b0afd23a9f0c0dbcdf8d7ad0219324f79c7c6be1875959690c4b13747f
PDF
Publication page914801c598cac8671e9d92205947c653e49f295a447b050631c8bea4e06cef85
Manifest7d8e6fb2a0a12329bf3f3d9dbfa556fac612e5752d6c8f188bf53347bb50deb0

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
SignatureV3zCjo+5Z0XPJnt2myAnixUzruzlfHDxuUI/I1mqqrjmOspR9BfszwqfkPVgQvaFHt7OheZN7jjNg6qF4AvvCA==
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

2026-09-17T11:20:56.214448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039341
observed 914801c598cac8671e9d92205947c653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:56.197919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039341/manifest.json
observed 7d8e6fb2a0a12329bf3f3d9dbfa556fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:56.180735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039341/publication.md
observed d1fa96b0afd23a9f0c0dbcdf8d7ad021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:56.163198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039341/publication.txt
observed 5c846cabbc42d84e4df344a0e8759dbe...
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.