OpenTechnical

OT-2026-000088742

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088742) never changes.

Identity and time

Publication numberOT-2026-000088742 · never reused
Internal UUID01a0ae9b-8f10-7f48-85a2-9d3fbdc92fc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088742
StatusPUBLIC

Content hashes

Canonical textecf37d924eee9af8b825197a233d0233c8c1f7245d345a11eb73141fd7b60855
Markdown2b56aba1c9f9a329f1e0a6b8c25580c787afd7d2716b8bb6c394f0e0192a3960
PDF
Publication pagecddbc51237845884f7df817d308dcc2ebaf57678699a1e41dc6ce9ee0bf80590
Manifest01203525a2e16482b3271788cf56586155ad23521e338b64eeab25f3e9f13312

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
SignatureMgxOpQntWSEwRK+b+o8UsxKTyI/8COkhdL+GGrh8d8Vrs+u2koB7UBYPirMmvL/XtCTu+D1Zsl291uiwzaFNDA==
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

2026-09-17T09:47:59.209558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088742
observed cddbc51237845884f7df817d308dcc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.191404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088742/manifest.json
observed 01203525a2e16482b3271788cf565861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.173866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088742/publication.md
observed 2b56aba1c9f9a329f1e0a6b8c25580c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.156263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088742/publication.txt
observed ecf37d924eee9af8b825197a233d0233...
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.