OpenTechnical

OT-2026-000049719

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000049719) never changes.

Identity and time

Publication numberOT-2026-000049719 · never reused
Internal UUID01a0ae81-8fef-7f5e-a2fe-9886313c11f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049719
StatusPUBLIC

Content hashes

Canonical texte6926514a863efa508f7973d226e95ac7633881562b18810aa8ba0f17bbfac3f
Markdownae99fd19393bf59e954e58b0073adc548c1aeae2989687ddc8ec3a59ca10293f
PDF
Publication page0475f9e312b998e49e38d380cecfd7b0105005692e8f73345264db73f604918e
Manifest499e2f5618a43035477bf356156666f0405b88f5c5e72c2d6081c574c652af81

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
SignaturedVSNWk4QB2WZfbXCLJKFLaMUnQtboFjtgmka0kTIPke3O1kx/jYclztfFjqWTDi3kTPJC4ZAJBM21lMmOdcLBQ==
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

2026-09-17T11:02:44.301263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049719
observed 0475f9e312b998e49e38d380cecfd7b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.283257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049719/manifest.json
observed 499e2f5618a43035477bf356156666f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.264226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049719/publication.md
observed ae99fd19393bf59e954e58b0073adc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:44.246004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049719/publication.txt
observed e6926514a863efa508f7973d226e95ac...
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.