Pith Number

pith:HPYRECPA

pith:2003:HPYRECPA6QI4W774EKR2CDZIBT

not attested not anchored not stored refs pending

Brane-world Singularities

Alan A. Coley, Sigbjorn Hervik

arxiv:gr-qc/0303003 v1 · 2003-03-01 · gr-qc · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPYRECPA6QI4W774EKR2CDZIBT}

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	2026-05-18T01:06:47.494608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf11209e0f411cb7ffc22a3a10f280cfd4742e417b5d4fce879769a7f6dd0d1

Aliases

arxiv: gr-qc/0303003 · arxiv_version: gr-qc/0303003v1 · doi: 10.48550/arxiv.gr-qc/0303003 · pith_short_12: HPYRECPA6QI4 · pith_short_16: HPYRECPA6QI4W774 · pith_short_8: HPYRECPA

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/HPYRECPA6QI4W774EKR2CDZIBT \
  | 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: 3bf11209e0f411cb7ffc22a3a10f280cfd4742e417b5d4fce879769a7f6dd0d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5470d3b651ef57bae69b349d133906967ca70bf9745e31bb4156574852ba7c3c",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-03-01T11:09:08Z",
    "title_canon_sha256": "39aeecc1ec677be491790f21f729639a6d8b8f688c17a3edba1bd3467f12e053"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0303003",
    "kind": "arxiv",
    "version": 1
  }
}