OpenTechnical

OT-2026-000033616

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000033616) never changes.

Identity and time

Publication numberOT-2026-000033616 · never reused
Internal UUID01a0ae75-a38f-71c2-82bf-c4ff960eb5b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033616
StatusPUBLIC

Content hashes

Canonical text06f3c97d5761a85cbbe154879226304434071fa2c242c5b8cdab7f323fa63045
Markdownfe363dda5e2fdd5a99710276e0a81c798575f28e76539e6fcc946e08e9998ef3
PDF
Publication page3d75d4115a490a90018770232710e60dc02e20ca4e8975c56095e3f52de65c19
Manifest3b4b3aa643e9e43c6a9f9dabf3d26d9a5eab148e4c30d8f4e8993dfed96f6ddd

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
SignatureXgrxNn4UeE+7P5iriTppaYoRCmONiIU4VNzoXdxIwFPIbu2tv2JzG9A2aV5Xo3DVWgzvgR1ToW5d4uHHOj/iAg==
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

2026-09-17T11:31:35.431858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033616
observed 3d75d4115a490a90018770232710e60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.412768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033616/manifest.json
observed 3b4b3aa643e9e43c6a9f9dabf3d26d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.392673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033616/publication.md
observed fe363dda5e2fdd5a99710276e0a81c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.374365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033616/publication.txt
observed 06f3c97d5761a85cbbe1548792263044...
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.