OpenTechnical

OT-2026-000033211

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000033211) never changes.

Identity and time

Publication numberOT-2026-000033211 · never reused
Internal UUID01a0ae75-4844-7fc6-aa23-ca6711a94451 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033211
StatusPUBLIC

Content hashes

Canonical text8cf199e0603b230b948c4a47978362615b0b6a9758f85a1813dd0ce4358b3c7f
Markdowna6a27224c62d1dafb4d4aceb31ee3920b7e505a2882b5fbd70e6fbb09b221709
PDF
Publication page42d5f1f16705d48e63fee65590da1f3c55fa0cecde3dbc145c955827dd0fbb22
Manifest0aadc4e3eb49ae9a80fd1789f16bb6bbcbb71a3767d00c449173a3b1c88b9e1b

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
Signature7vjvjl5is9Or4xBPgomqrkHxR0u9dvkSZSChRiqdCnS6YDF3VlFDdj0oBeouefX98n9CqBYuYsTd/x6tn9PMBQ==
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

2026-09-17T11:32:54.727252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033211
observed 42d5f1f16705d48e63fee65590da1f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.706931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033211/manifest.json
observed 0aadc4e3eb49ae9a80fd1789f16bb6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.689266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033211/publication.md
observed a6a27224c62d1dafb4d4aceb31ee3920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.672632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033211/publication.txt
observed 8cf199e0603b230b948c4a4797836261...
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.