Pith Number

pith:K3Q25L2D

pith:2013:K3Q25L2DIL5HFMBCRP7ARPMK7P

not attested not anchored not stored refs pending

Reconstruction of complex-valued tensors in the Maxwell system from knowledge of internal magnetic fields

Chenxi Guo, Guillaume Bal

arxiv:1308.5872 v2 · 2013-08-27 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3Q25L2DIL5HFMBCRP7ARPMK7P}

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.

Receipt and verification

First computed	2026-05-18T03:13:57.647660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56e1aeaf4342fa72b0228bfe08bd8afbcf1e061a1086bf27e17b336a228dd447

Aliases

arxiv: 1308.5872 · arxiv_version: 1308.5872v2 · doi: 10.48550/arxiv.1308.5872 · pith_short_12: K3Q25L2DIL5H · pith_short_16: K3Q25L2DIL5HFMBC · pith_short_8: K3Q25L2D

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/K3Q25L2DIL5HFMBCRP7ARPMK7P \
  | 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: 56e1aeaf4342fa72b0228bfe08bd8afbcf1e061a1086bf27e17b336a228dd447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6b71d711f1ac0a41f733dcd4be7a33f4761346d9ad40382e7760d5cfd1d605a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-08-27T13:49:17Z",
    "title_canon_sha256": "2a7f30c77b9bdd6136c814af338615a422bbb2a5a40ad2fc6de55d5109b5c2fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5872",
    "kind": "arxiv",
    "version": 2
  }
}