OpenTechnical

OT-2026-000063332

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063332) never changes.

Identity and time

Publication numberOT-2026-000063332 · never reused
Internal UUID01a0ae8c-f943-7e39-9edc-ec68ee49e972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063332
StatusPUBLIC

Content hashes

Canonical textff28e2d338fdc0790e7feb06741b8ec0a43caeefefafebca57f7fc11a716bce2
Markdown657e09ee40da2a6839f2abe64ed6c631b5d24774fba7e7d4daa715bba48c780f
PDF
Publication page5ada9f9efc1d2dcf7f6c21bac6785543cf1ac0107fe0d2827ee57b0927b705d7
Manifest7a7c26488355bbf38cf131c83b58dc38e7b951888d8f6d308dfe4b658b8228f8

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
Signature9tOSFOvw4So57/7Fh4BVWapjF9TjzKWRdra/SaftobvuNZYb9oTrWoPZKlHkgq+NUgqwmhHt4VnveX2OSa1wCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:13.622213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063332
observed 5ada9f9efc1d2dcf7f6c21bac6785543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.603080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063332/manifest.json
observed 7a7c26488355bbf38cf131c83b58dc38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.584003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063332/publication.md
observed 657e09ee40da2a6839f2abe64ed6c631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.566075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063332/publication.txt
observed ff28e2d338fdc0790e7feb06741b8ec0...
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.