Pith Number

pith:ZDFBV3BU

pith:2017:ZDFBV3BUWXAAWER6JU6LCYZESY

not attested not anchored not stored refs pending

HALOGAS Observations of NGC 4559: Anomalous and Extra-planar HI and its Relation to Star Formation

Carlos J. Vargas, Filippo Fraternali, George Heald, Gianfranco Gentile, Gyula I.G. Jozsa, Maria T. Patterson, Paolo Serra, Rene A.M. Walterbos, Richard J. Rand

arxiv:1703.09345 v1 · 2017-03-27 · 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{ZDFBV3BUWXAAWER6JU6LCYZESY}

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	2026-05-18T00:47:44.807820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8ca1aec34b5c00b123e4d3cb163249615d6179703c2c2a857b82251133975c0

Aliases

arxiv: 1703.09345 · arxiv_version: 1703.09345v1 · doi: 10.48550/arxiv.1703.09345 · pith_short_12: ZDFBV3BUWXAA · pith_short_16: ZDFBV3BUWXAAWER6 · pith_short_8: ZDFBV3BU

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/ZDFBV3BUWXAAWER6JU6LCYZESY \
  | 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: c8ca1aec34b5c00b123e4d3cb163249615d6179703c2c2a857b82251133975c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bc709aa304a69de13cdd77ebf5628372ccfde3a3d55e5b88e66a7a0140030c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-27T23:38:54Z",
    "title_canon_sha256": "05774b93685dc2c15cb9b3891315fc64fa02e121ac3b84d13deb73cfe9195c18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09345",
    "kind": "arxiv",
    "version": 1
  }
}