OpenTechnical

OT-2026-000032235

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000032235) never changes.

Identity and time

Publication numberOT-2026-000032235 · never reused
Internal UUID01a0ae74-f7a7-791f-b179-c2a28814ab24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032235
StatusPUBLIC

Content hashes

Canonical text957cf27ddb6d074718fbb5c45713fa96dd76d93805c9dea8a99ef51179223876
Markdown6278675f7457f8c6b616525cbb83af824d8775e0c8cd729acc24d05e699f7e5e
PDF
Publication page800767fc3d914273b864b8e7719e7305b9dcb051713e2f6fd2a81608be4795b6
Manifestd001c5ff884417af95b07c1fcc37fbed8431a128c7b90e9af5fc67ec4530fe60

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
Signaturew7LWhKlO46SO33N0Dwccj3H14ZKphhHfUh8BZdffYNBw+zj8MHbmGcc1SWslYf1rUGSsHDX9dox4qkRsrymaDA==
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

2026-09-17T11:34:35.319070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032235
observed 800767fc3d914273b864b8e7719e7305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.302183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032235/manifest.json
observed d001c5ff884417af95b07c1fcc37fbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.284619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032235/publication.md
observed 6278675f7457f8c6b616525cbb83af82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.266625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032235/publication.txt
observed 957cf27ddb6d074718fbb5c45713fa96...
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.