Pith Number

pith:NBDUYLID

pith:2012:NBDUYLID6EELABBRZI75KEEYIW

not attested not anchored not stored refs pending

Quasi-linear symmetric hyperbolic Fuchsian systems in several space dimensions

Ellery Ames, Florian Beyer, James Isenberg, Philippe G. LeFloch

arxiv:1205.2166 v3 · 2012-05-10 · gr-qc · 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{NBDUYLID6EELABBRZI75KEEYIW}

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	2026-05-18T03:46:16.599921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68474c2d03f108b00431ca3fd510984584cc0d2093dba3070befb7054cd34532

Aliases

arxiv: 1205.2166 · arxiv_version: 1205.2166v3 · doi: 10.48550/arxiv.1205.2166 · pith_short_12: NBDUYLID6EEL · pith_short_16: NBDUYLID6EELABBR · pith_short_8: NBDUYLID

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/NBDUYLID6EELABBRZI75KEEYIW \
  | 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: 68474c2d03f108b00431ca3fd510984584cc0d2093dba3070befb7054cd34532

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f63b8a62a4fc66db6ab2ff573dc4312852fdce686740de85df4cfe2440b66a5",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-05-10T06:28:27Z",
    "title_canon_sha256": "041cd16477a8f8f1f7974aa07105eb30c73e5e3cb15440183b47c39d299d3b66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2166",
    "kind": "arxiv",
    "version": 3
  }
}