OpenTechnical

OT-2026-000029929

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000029929) never changes.

Identity and time

Publication numberOT-2026-000029929 · never reused
Internal UUID01a0ae73-ac48-7f75-96c9-df7f292ff1e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029929
StatusPUBLIC

Content hashes

Canonical text6ba8882d171b5c784c443e51e34f85144a80ae4aea350c0ca1f6becad5d81c77
Markdowne23d18190f7b583908d34e5188511144be4076ccef2b2e4d58c20f6e1e6dd9bb
PDF
Publication page0eddc7695caecbcc7dc1455895bed1b1f000419917eb126f3367a1078d869b0d
Manifest0cd20d35bf983a642cbf5fbd46adc2889ecfd5f9fe849c89ddf461ef136225b5

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
SignaturedBHDfrIz1ZRykG7DcnCVHxGnvNj/T4GJrz6SLWy+H6xT5u7pQ24VQ56i9anZBXth432F88IvWPinihXOK+F3AA==
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

2026-09-17T11:38:38.328376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029929
observed 0eddc7695caecbcc7dc1455895bed1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.310733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029929/manifest.json
observed 0cd20d35bf983a642cbf5fbd46adc288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.294867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029929/publication.md
observed e23d18190f7b583908d34e5188511144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.279303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029929/publication.txt
observed 6ba8882d171b5c784c443e51e34f8514...
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.