Pith Number

pith:DTFZFU4J

pith:2012:DTFZFU4JAE7C4UFPBQE7URY4P5

not attested not anchored not stored refs pending

Quasilinear hyperbolic Fuchsian systems and AVTD behavior in T2-symmetric vacuum spacetimes

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

arxiv:1205.1881 v2 · 2012-05-09 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTFZFU4JAE7C4UFPBQE7URY4P5}

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	2026-05-18T00:20:07.905649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ccb92d389013e2e50af0c09fa471c7f5a4125c31161c54bcee60e128f49d03d

Aliases

arxiv: 1205.1881 · arxiv_version: 1205.1881v2 · doi: 10.48550/arxiv.1205.1881 · pith_short_12: DTFZFU4JAE7C · pith_short_16: DTFZFU4JAE7C4UFP · pith_short_8: DTFZFU4J

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/DTFZFU4JAE7C4UFPBQE7URY4P5 \
  | 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: 1ccb92d389013e2e50af0c09fa471c7f5a4125c31161c54bcee60e128f49d03d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb105d8ccf47bc0d9229c9485f07b17a56aab4000c708ef7062e1b508679381",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-05-09T06:52:10Z",
    "title_canon_sha256": "cd1c12e443f369f8afde52679e1adeb1b56afc810b4fbd3fc40686f3c317acec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1881",
    "kind": "arxiv",
    "version": 2
  }
}