Pith Number

pith:NST3JSVD

pith:2004:NST3JSVDJVQAW7NZWKUXTOQ7V4

not attested not anchored not stored refs pending

Comparison of Two Stationary Spherical Accretion Models

Bogusz Kinasiewicz, Tomasz Lanczewski

arxiv:gr-qc/0404019 v1 · 2004-04-06 · 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{NST3JSVDJVQAW7NZWKUXTOQ7V4}

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	2026-07-04T14:25:45.321031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ca7b4caa34d600b7db9b2a979ba1faf24cdc60245c57f41ccec93557ecc9fce

Aliases

arxiv: gr-qc/0404019 · arxiv_version: gr-qc/0404019v1 · doi: 10.48550/arxiv.gr-qc/0404019 · pith_short_12: NST3JSVDJVQA · pith_short_16: NST3JSVDJVQAW7NZ · pith_short_8: NST3JSVD

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/NST3JSVDJVQAW7NZWKUXTOQ7V4 \
  | 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: 6ca7b4caa34d600b7db9b2a979ba1faf24cdc60245c57f41ccec93557ecc9fce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8dfedd60c7f6903f5e4c44f735e04ffc35c18818ead1adf3fde3ff2ad272056",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-04-06T11:42:13Z",
    "title_canon_sha256": "ad69c18c764d955ec9e2cd21c4247ecdfd54e470e7cb561e6efaa81d8288dd5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0404019",
    "kind": "arxiv",
    "version": 1
  }
}