OpenTechnical

OT-2026-000045324

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed 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-2026-000045324) never changes.

Identity and time

Publication numberOT-2026-000045324 · never reused
Internal UUID01a0ae7c-f76b-7553-a892-da74da5a8ece · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045324
StatusPUBLIC

Content hashes

Canonical text74d3e5c7c33e016647b4378b938cf01338ec0d803ed9e2a58acf3d2e118c0ba6
Markdownc82248cf6d492efd7edb503b318ee2a9ad4a8e27eb84713c402ece27c53ad2fc
PDF
Publication pagef056dcc23afb44f59fb2c9307a9a72bba50f5b14bbdabd2c1fefb8436e265f7e
Manifestcfb9f7d247427ed63a6affa62b43d1f26984fb8e582d754d2231f5fa2d666c3b

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
SignatureO+gxOICrmLRymH7bXALYR68z1OTkCDbsfU5BsQ+G+ZGkRzVTOlSID1CWGWloDc2wykDEBZEx3scD8YKXWUzrBQ==
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

2026-09-17T11:10:34.674928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045324
observed f056dcc23afb44f59fb2c9307a9a72bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.655661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045324/manifest.json
observed cfb9f7d247427ed63a6affa62b43d1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.635970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045324/publication.md
observed c82248cf6d492efd7edb503b318ee2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.616408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045324/publication.txt
observed 74d3e5c7c33e016647b4378b938cf013...
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.