Pith Number

pith:D4QFEZDF

pith:2014:D4QFEZDF67PDSMULA4VQ5UKCA2

not attested not anchored not stored refs pending

Constraint preserving boundary conditions for the Baumgarte-Shapiro-Shibata-Nakamura formulation in spherical symmetry

Jose M. Torres, Miguel Alcubierre

arxiv:1407.8529 v2 · 2014-07-31 · 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{D4QFEZDF67PDSMULA4VQ5UKCA2}

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	2026-05-18T01:42:26.608557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f20526465f7de39328b072b0ed142069aa2ca0dc9185271b45eee40de1c5256

Aliases

arxiv: 1407.8529 · arxiv_version: 1407.8529v2 · doi: 10.48550/arxiv.1407.8529 · pith_short_12: D4QFEZDF67PD · pith_short_16: D4QFEZDF67PDSMUL · pith_short_8: D4QFEZDF

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/D4QFEZDF67PDSMULA4VQ5UKCA2 \
  | 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: 1f20526465f7de39328b072b0ed142069aa2ca0dc9185271b45eee40de1c5256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4e2b822362ead2c494b2554ff79a04b66c32fd3c4f549609d7934d9eed474a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-07-31T18:59:30Z",
    "title_canon_sha256": "0d335b32784385b2c347f3aab91107a4222e3fdb9490b91aabc8134aa81a0f73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8529",
    "kind": "arxiv",
    "version": 2
  }
}