OpenTechnical

OT-2026-000029363

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000029363) never changes.

Identity and time

Publication numberOT-2026-000029363 · never reused
Internal UUID01a0ae73-5e20-700e-808e-ba7e61f27f40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029363
StatusPUBLIC

Content hashes

Canonical text0f54ff2f4a194d660fa4ba06549b23d30c06246bcd5f4648cc85e795c07054b5
Markdown9f14f298117102f379ca9d871833e1fd00913fc176eb6f9856256312538d08e6
PDF
Publication page05c663ac8eca8ff37e3596fe7a7a2f974f732c516840722b8d9d237e82595c18
Manifest19a88736e895f60b99ef9f8cadf9d4d4b026306383d47314cbf4e63c5933cfca

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
Signature4ylpbSNyA9nj51xvKwWbULfH5Qm4rhuPn0Ln6IZU3OumiRHaPuh74a8AzKSlnC4Pk0EoP9m0Bnboyb5trndgDA==
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

2026-09-17T11:38:55.330288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029363
observed 05c663ac8eca8ff37e3596fe7a7a2f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.312253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029363/manifest.json
observed 19a88736e895f60b99ef9f8cadf9d4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.293874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029363/publication.md
observed 9f14f298117102f379ca9d871833e1fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.274418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029363/publication.txt
observed 0f54ff2f4a194d660fa4ba06549b23d3...
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.