OpenTechnical

OT-2026-000028433

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000028433) never changes.

Identity and time

Publication numberOT-2026-000028433 · never reused
Internal UUID01a0ae72-e2f6-7aa2-b5df-b0aa8502cccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028433
StatusPUBLIC

Content hashes

Canonical text6acef44f8774f43f7d0d0062bc7914f5476d62b41bb0250fbf955541edbcbb58
Markdown03fcfd61b97e56a2803219d3ef0707836aad65c353d22c140270df6061be9393
PDF
Publication page5fce219d3c43e76e035c88a4fdf25c932bf38c450d5ac46611300f792bd0e99b
Manifestcb715e11c1b0e289657d336eb36fa91ff0d06fe884658fb17568ff68fbab636a

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
SignaturewFlgRchW7CeF6EY8eneIRjQKc69NBQFEIK44UrA2FuxB8sRqULxCNQBGmwifHWdJNJQxFvd791F1e55LgoltDg==
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

2026-09-17T11:40:34.126059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028433
observed 5fce219d3c43e76e035c88a4fdf25c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.109411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028433/manifest.json
observed cb715e11c1b0e289657d336eb36fa91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.089393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028433/publication.md
observed 03fcfd61b97e56a2803219d3ef070783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.072984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028433/publication.txt
observed 6acef44f8774f43f7d0d0062bc7914f5...
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.