OpenTechnical

OT-2026-000069607

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069607) never changes.

Identity and time

Publication numberOT-2026-000069607 · never reused
Internal UUID01a0ae90-b52c-7232-9c20-93c95efab655 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069607
StatusPUBLIC

Content hashes

Canonical text8a0c4b3991d48cc0c72709309498b69ecf8c9aea67290352bf6c5f4db08f95b1
Markdown30195396a4c799418397f818d1e29f0b07adba516df77447ae0f81a74d3d7a87
PDF
Publication page1e3052821b0dbd04b914a7e858af0ba325241693fea7f95205f8daa1dfcc3acf
Manifeste3d145415d8b12bc48e755fb27701849dce1c6ae5aa57f9b28200536573dce0a

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
SignaturenPzftyObcfRQiaFyEkJVY2++l92m5M/XF5jnFNqXnTPzs7t9DcNmZMAbRZMQzbot2dXHPm2ZXEqynEBinhLdCw==
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

2026-09-17T10:28:16.058943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069607
observed 1e3052821b0dbd04b914a7e858af0ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.041507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069607/manifest.json
observed e3d145415d8b12bc48e755fb27701849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.024822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069607/publication.md
observed 30195396a4c799418397f818d1e29f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.008773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069607/publication.txt
observed 8a0c4b3991d48cc0c72709309498b69e...
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.