Pith Number

pith:P3MNUYHM

pith:2007:P3MNUYHMHXEPLVFR53VHRDGM5Y

not attested not anchored not stored refs pending

Evolving relativistic fluid spacetimes using pseudospectral methods and finite differencing

Lawrence E. Kidder, Matthew D. Duez, Saul A. Teukolsky

arxiv:gr-qc/0702126 v1 · 2007-02-25 · 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{P3MNUYHMHXEPLVFR53VHRDGM5Y}

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	2026-05-18T00:59:12.383461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ed8da60ec3dc8f5d4b1eeea788cccee17409f4e6abd93167fcc51d9486b0e81

Aliases

arxiv: gr-qc/0702126 · arxiv_version: gr-qc/0702126v1 · doi: 10.48550/arxiv.gr-qc/0702126 · pith_short_12: P3MNUYHMHXEP · pith_short_16: P3MNUYHMHXEPLVFR · pith_short_8: P3MNUYHM

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/P3MNUYHMHXEPLVFR53VHRDGM5Y \
  | 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: 7ed8da60ec3dc8f5d4b1eeea788cccee17409f4e6abd93167fcc51d9486b0e81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86dbf6505f02fce66a7479985c1dcd1d351bb7b14959ca6400e6c843259a631c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-02-25T20:49:46Z",
    "title_canon_sha256": "e9e808dcadc9eb5b2d278ab76b4b52586d8cc766ae4a91ec5f402e7a29e06eeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0702126",
    "kind": "arxiv",
    "version": 1
  }
}