OpenTechnical

OT-2026-000044437

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000044437) never changes.

Identity and time

Publication numberOT-2026-000044437 · never reused
Internal UUID01a0ae7c-39d7-7137-ac82-03c3f99f64bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044437
StatusPUBLIC

Content hashes

Canonical text1bacd0ca04422b18f5557d2d64152aaea778e203820d64dc69f4afaaedc58090
Markdownf4f238901a0f0a81eb98aa734cded56f054eb199f2955d0e92c2032cbf572095
PDF
Publication page291881b4a8e4bec74a0e977441b515544abed65578526a7293f159b77d1f3a4f
Manifestb33cf3ba2bf0c9c4d12efee968e2fdf00ce0d002b8a43e568a6535dc35830334

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
SignatureQGNB7Lm+XbUuSlskA5pPFdVRF4Mzl3DkqBRq0tvdNibxu/EWXtKdxbD3e+gKPhl6A3Fsms+taYtO9NfANvv+DQ==
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

2026-09-17T08:30:45.828499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044437
observed 291881b4a8e4bec74a0e977441b51554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:45.811565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044437/manifest.json
observed b33cf3ba2bf0c9c4d12efee968e2fdf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:45.795367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044437/publication.md
observed f4f238901a0f0a81eb98aa734cded56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:45.778279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044437/publication.txt
observed 1bacd0ca04422b18f5557d2d64152aae...
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.