Pith Number

pith:4DF5BRZ3

pith:2011:4DF5BRZ3YZFJEODGWK4FSRDIVX

not attested not anchored not stored refs pending

Three-dimensional modeling of the HI kinematics of NGC 2915

E. C. Elson, R. C. Kraan-Korteweg, W. J. G. de Blok

arxiv:1103.4427 v1 · 2011-03-23 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DF5BRZ3YZFJEODGWK4FSRDIVX}

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	2026-05-18T02:02:47.972334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0cbd0c73bc64a923866b2b8594468ade78859ee77ea67a31daedb3edd5498ad

Aliases

arxiv: 1103.4427 · arxiv_version: 1103.4427v1 · doi: 10.48550/arxiv.1103.4427 · pith_short_12: 4DF5BRZ3YZFJ · pith_short_16: 4DF5BRZ3YZFJEODG · pith_short_8: 4DF5BRZ3

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/4DF5BRZ3YZFJEODGWK4FSRDIVX \
  | 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: e0cbd0c73bc64a923866b2b8594468ade78859ee77ea67a31daedb3edd5498ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a36ab3d2c6d35d082499f07bc92c2f5c62de958681e0e92b3fb4c4ef8fd5a556",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-23T00:51:12Z",
    "title_canon_sha256": "55eeed8ce94833e7a661fe8674d025751fb82e5b51f1b31b10db4378fea08318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4427",
    "kind": "arxiv",
    "version": 1
  }
}