OpenTechnical

OT-2026-000087231

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000087231) never changes.

Identity and time

Publication numberOT-2026-000087231 · never reused
Internal UUID01a0ae9a-9f2e-72a0-b3db-5d2b8f3b8e95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087231
StatusPUBLIC

Content hashes

Canonical textac5a7420bbbc2d2de858164472033087dfd56843dcf32dcefd968d9b9f8f3f23
Markdownd97091c935b879164535b28f520625038e5475b798a3b6898e7766bd6cf20a7c
PDF
Publication pageb991a7e55f987830ea7bdc78c47b63d8050bee6c8754d13fe17864499819ea1e
Manifestf383a4da70a3d61742837dc339429eb7652be0fc133b7754a9fe7c6425fc0823

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
SignaturexA8XXT8hYpB3KRiv75T3st3q7jNebcozP0qYanedYgqq4If/s5fc9nSQnJvl2awEKhPH8rnJPbQ0Pq/DyNDWBw==
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

2026-09-17T09:51:30.976153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087231
observed b991a7e55f987830ea7bdc78c47b63d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.957939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087231/manifest.json
observed f383a4da70a3d61742837dc339429eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.941198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087231/publication.md
observed d97091c935b879164535b28f52062503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:30.922818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087231/publication.txt
observed ac5a7420bbbc2d2de858164472033087...
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.