Pith Number

pith:IUJ3BJL7

pith:2025:IUJ3BJL74GLMKS64FWAYF4TWWA

not attested not anchored not stored refs pending

Goal-oriented optimal sensor placement for PDE-constrained inverse problems in crisis management

Alexander Popp, Daniel Wolff, Marco Mattuschka, Max von Danwitz, Noah An der Lan

arxiv:2507.02500 v2 · 2025-07-03 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUJ3BJL74GLMKS64FWAYF4TWWA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Sparse Source Identification in Transient Advection-Diffusion Problems with a Primal-Dual-Active-Point Strategy

Receipt and verification

First computed	2026-07-05T11:33:25.996719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4513b0a57fe196c54bdc2d8182f276b022cc83de086bcc7b83727fe461c43c6a

Aliases

arxiv: 2507.02500 · arxiv_version: 2507.02500v2 · doi: 10.48550/arxiv.2507.02500 · pith_short_12: IUJ3BJL74GLM · pith_short_16: IUJ3BJL74GLMKS64 · pith_short_8: IUJ3BJL7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IUJ3BJL74GLMKS64FWAYF4TWWA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4513b0a57fe196c54bdc2d8182f276b022cc83de086bcc7b83727fe461c43c6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f1d6e772b7dc534304823fefea9d7357a4121f8694cf05addd39c40f5e19def",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-03T10:04:59Z",
    "title_canon_sha256": "62b03224a0a8f9d6e81acc471ec5b34d461c6edbc651c2975a11026adc8aea82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02500",
    "kind": "arxiv",
    "version": 2
  }
}