Pith Number

pith:BDQPFU6Z

pith:2010:BDQPFU6ZUSVRMHIZRPGO6JMOXU

not attested not anchored not stored refs pending

The dark matter halo shape of edge-on disk galaxies - III. Modelling the HI observations: results

J.C. O'Brien, K.C. Freeman, P.C. van der Kruit

arxiv:1003.3109 v1 · 2010-03-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDQPFU6ZUSVRMHIZRPGO6JMOXU}

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	2026-05-18T02:08:33.383579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e0f2d3d9a4ab161d198bccef258ebd05f6048eb89a690834c22dc56937e55b

Aliases

arxiv: 1003.3109 · arxiv_version: 1003.3109v1 · doi: 10.48550/arxiv.1003.3109 · pith_short_12: BDQPFU6ZUSVR · pith_short_16: BDQPFU6ZUSVRMHIZ · pith_short_8: BDQPFU6Z

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/BDQPFU6ZUSVRMHIZRPGO6JMOXU \
  | 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: 08e0f2d3d9a4ab161d198bccef258ebd05f6048eb89a690834c22dc56937e55b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a033403c36b26365c38e62139e893011367eda8444387d554d1dc5f8258948ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-03-16T09:32:50Z",
    "title_canon_sha256": "fcf95725a8f2536cedf8d0918f934c9d996b20f2af1c53b933d4051795564215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3109",
    "kind": "arxiv",
    "version": 1
  }
}