OpenTechnical

OT-2026-000020676

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000020676) never changes.

Identity and time

Publication numberOT-2026-000020676 · never reused
Internal UUID01a0ae6f-65e2-7bbe-b384-5578e7f4b343 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020676
StatusPUBLIC

Content hashes

Canonical text7611dbbe67b74a5754daaf063333bcaaa57979b86b043647f6370e363d8df798
Markdown1f8450394efafddb565131ec91d362e79324cc4de78fe3194885358892f5faa5
PDF
Publication page10b20d5f137015865a3960add11d3c9f0d56568183a47fe68f04faa4eab1577b
Manifest18b44546a7f0fffd8f77551b5cd5e203910b075d4280714fc9c3b2654f24906c

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
SignatureoVynWJFITcsuNRnGHsJe38WIkvztW7RGICoYi5D8qQvr7OenHCBmKjRTgeWi9mqw+c7q+e8nxwIPq9Sqxp7MDA==
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

2026-09-17T11:55:38.030509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020676
observed 10b20d5f137015865a3960add11d3c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:38.013867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020676/manifest.json
observed 18b44546a7f0fffd8f77551b5cd5e203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:37.996825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020676/publication.md
observed 1f8450394efafddb565131ec91d362e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:37.980462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020676/publication.txt
observed 7611dbbe67b74a5754daaf063333bcaa...
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.