OpenTechnical

OT-2026-000093241

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000093241) never changes.

Identity and time

Publication numberOT-2026-000093241 · never reused
Internal UUID01a0ae9e-0911-7c1e-b691-4ae5886a4abb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093241
StatusPUBLIC

Content hashes

Canonical textf98136455448432fcbf3a20de75e229b6d1f6a5b1582be50754598d2d1d7ea68
Markdownc42b684f82770225ce013c14c8366786b4a5d377364348aa3dbe6d70af2474c4
PDF
Publication pageca5f5f2af9a9f5ac5232d894a9a29864c08e83d68acce55edb97e6cc6c1b03c2
Manifestb01584d9c1532e2184db65f3846bf73da73dd6715070756017c41d18fbd84362

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
Signature6T/B3b59QjZfHVGmKiXpnhMMpnmSclY3/h2dpgbJdAaQvpN2/Fijpnddn7ucxl6oeurxXJA4XuV9IvuP1cvZBQ==
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

2026-09-17T09:40:35.531273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093241
observed ca5f5f2af9a9f5ac5232d894a9a29864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.513537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093241/manifest.json
observed b01584d9c1532e2184db65f3846bf73d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.496584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093241/publication.md
observed c42b684f82770225ce013c14c8366786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.479236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093241/publication.txt
observed f98136455448432fcbf3a20de75e229b...
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.