OpenTechnical

OT-2026-000027280

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000027280) never changes.

Identity and time

Publication numberOT-2026-000027280 · never reused
Internal UUID01a0ae72-6996-7de4-8836-6e3746fa6e19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027280
StatusPUBLIC

Content hashes

Canonical texte6654229368994012e9b3a13df18e1f4605cbbcbe3329110a37b6260f21df6f0
Markdownf8d3f17e5e1b49b08302a48a8fed770c77af66327fb5aecbc6d5265585f69ccd
PDF
Publication page5c15941035dc707c4cb14cd31a9b0ea3abb78e55f3a7a59a51278a6630ba3775
Manifest52e58102e5d246c6691592515acdc17fc66d41741da73fb76a833aeea0669864

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
SignaturemSfIMPlIAgO1xwR+mZpJPX0vqGN0xflnNtvyE5dsuFQ0liwC38Uqh2SD85AaL2V0jg2XQmfz69VHfGZGq602Cw==
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

2026-09-17T11:42:40.002953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027280
observed 5c15941035dc707c4cb14cd31a9b0ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.985968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027280/manifest.json
observed 52e58102e5d246c6691592515acdc17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.967131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027280/publication.md
observed f8d3f17e5e1b49b08302a48a8fed770c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.948999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027280/publication.txt
observed e6654229368994012e9b3a13df18e1f4...
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.