OpenTechnical

OT-2026-000049357

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000049357) never changes.

Identity and time

Publication numberOT-2026-000049357 · never reused
Internal UUID01a0ae81-8f7b-71e4-8779-dccf081af7f9 · 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-2026-000049357
StatusPUBLIC

Content hashes

Canonical text22b7412aaecb66c53dd6dc7734c8dc8970c81594552e035f77f93b9f7082fcbd
Markdown77c20f61676e3e1306394e319b1ba4f37a787dbe25d65b69637f6bdeb62957fb
PDF
Publication pagefc654a67525c83c30ab99e6d901c66e1c754cd68033fe51711f0fa8dc4e1aa78
Manifestbf8172d416c3e07346c4f27411cd4964642d12713f60df1b0596c7c6c0568aea

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
SignatureJEaM5pnYPdrsGmleQqD+sOdGThp0oKI5AdKys/oSv0fUivBaBcRanF/v6HbP1vRcsFf4TRcNgsBmd8HJLtDxCA==
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

2026-09-17T11:02:09.049576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049357
observed fc654a67525c83c30ab99e6d901c66e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.029991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049357/manifest.json
observed bf8172d416c3e07346c4f27411cd4964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.009402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049357/publication.md
observed 77c20f61676e3e1306394e319b1ba4f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.988903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049357/publication.txt
observed 22b7412aaecb66c53dd6dc7734c8dc89...
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.