pith. sign in
Pith Number

pith:JQMITEL6

pith:2009:JQMITEL6RLNDPAYWFXHUKTC5YR
not attested not anchored not stored refs pending

The Post-Quasistatic Approximation as a test bed for Numerical Relativity

W. Barreto

arxiv:0905.3362 v1 · 2009-05-20 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JQMITEL6RLNDPAYWFXHUKTC5YR}

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 2026-05-18T02:13:38.335689Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4c1889917e8ada3783162dcf454c5dc44938221ad7f0acf11f08b296fc9bdc79

Aliases

arxiv: 0905.3362 · arxiv_version: 0905.3362v1 · doi: 10.48550/arxiv.0905.3362 · pith_short_12: JQMITEL6RLND · pith_short_16: JQMITEL6RLNDPAYW · pith_short_8: JQMITEL6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JQMITEL6RLNDPAYWFXHUKTC5YR \
  | 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: 4c1889917e8ada3783162dcf454c5dc44938221ad7f0acf11f08b296fc9bdc79
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "70a2f8945c7aba11f4c149cc4c753b8bbd39e548b109a3ee4ea1d9c77315c5fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-05-20T17:41:46Z",
    "title_canon_sha256": "e0c295291e7f653cd2775dde1cbdf1f05b985a8f392b270058d97141304b29fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3362",
    "kind": "arxiv",
    "version": 1
  }
}