OpenTechnical

OT-2026-000043113

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000043113) never changes.

Identity and time

Publication numberOT-2026-000043113 · never reused
Internal UUID01a0ae7b-327a-7b6c-b549-b6740c90d3ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043113
StatusPUBLIC

Content hashes

Canonical texteb55f21501d3553661f207a4ab2cd5dbabd4af7081c8b4872026ce545fcace34
Markdown99a7f2a529d729b46bc88ab3c3b56e76d4713d9765f75e2738438ca6a55fb874
PDF
Publication pagebb2e321be1237ae5feac6edbfe68c98c66c67d57aecdcaf5477bd8e633e42edf
Manifeste2389b7594f42d2ce7a1b86dbc9cbf7c758839ef4465277ae6b95a56f80da43d

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
SignatureXMTwv7X3EpsEbyHETx8UF2ElvsXBJFXkigGaNPin91WsykG2OHJPAmtpdlC7n10DyimT/XLUn1pUt1ujwN6QCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:32.396436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043113
observed bb2e321be1237ae5feac6edbfe68c98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.377783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043113/manifest.json
observed e2389b7594f42d2ce7a1b86dbc9cbf7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.360524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043113/publication.md
observed 99a7f2a529d729b46bc88ab3c3b56e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.340833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043113/publication.txt
observed eb55f21501d3553661f207a4ab2cd5db...
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.