Pith Number

pith:JHXUZDHC

pith:2011:JHXUZDHC7KUYH6CVSKF3MJIEMP

not attested not anchored not stored refs pending

Numerical stability of the Z4c formulation of general relativity

David Hilditch, Zhoujian Cao

arxiv:1111.2177 v1 · 2011-11-09 · 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{JHXUZDHC7KUYH6CVSKF3MJIEMP}

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	2026-05-18T03:37:09.036476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49ef4c8ce2faa983f855928bb6250463c6ae7dd500a75724d01b29bfc8f6ba5d

Aliases

arxiv: 1111.2177 · arxiv_version: 1111.2177v1 · doi: 10.48550/arxiv.1111.2177 · pith_short_12: JHXUZDHC7KUY · pith_short_16: JHXUZDHC7KUYH6CV · pith_short_8: JHXUZDHC

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/JHXUZDHC7KUYH6CVSKF3MJIEMP \
  | 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: 49ef4c8ce2faa983f855928bb6250463c6ae7dd500a75724d01b29bfc8f6ba5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64debc86a219c96746e47389fd2c59dc2e68e52c633dcc67c27220ab689de145",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-11-09T11:33:57Z",
    "title_canon_sha256": "762c477c3dad1ab94d532c1d1d1300ccea74d55b0a0a1ef9d9a5733f98aefa9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2177",
    "kind": "arxiv",
    "version": 1
  }
}