Pith Number

pith:J4BATMFE

pith:2010:J4BATMFEZSIDJQWIUWEPISQIKK

not attested not anchored not stored refs pending

Observational cosmology using characteristic numerical relativity

N.T. Bishop, P.J. van der Walt

arxiv:1007.3189 v1 · 2010-07-19 · 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{J4BATMFEZSIDJQWIUWEPISQIKK}

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	2026-05-18T02:33:09.034084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f0209b0a4cc9034c2c8a588f44a0852aae497655ac11510258f891cc921cec7

Aliases

arxiv: 1007.3189 · arxiv_version: 1007.3189v1 · doi: 10.48550/arxiv.1007.3189 · pith_short_12: J4BATMFEZSID · pith_short_16: J4BATMFEZSIDJQWI · pith_short_8: J4BATMFE

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/J4BATMFEZSIDJQWIUWEPISQIKK \
  | 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: 4f0209b0a4cc9034c2c8a588f44a0852aae497655ac11510258f891cc921cec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50e09a27c899e0f10e8f42f7d56cc43253cd6096c863bfd7441119e100aa3f94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-07-19T15:45:56Z",
    "title_canon_sha256": "5beb2a02aae849b13fe92069c3b6bb7fd138e1aff6ff0f1c16437577900ec8f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3189",
    "kind": "arxiv",
    "version": 1
  }
}