Pith Number

pith:D5XOW4GT

pith:2011:D5XOW4GTHJTCDSXYKU4V5LC47X

not attested not anchored not stored refs pending

HII Region Luminosity Function of the Interacting Galaxy M51

(2) National Astronomical Observatory of Japan), Jong Hwan Lee (1), Myung Gyoon Lee (1) ((1) Seoul National University, Narae Hwang (2)

arxiv:1104.3669 v1 · 2011-04-19 · 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{D5XOW4GTHJTCDSXYKU4V5LC47X}

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	2026-05-18T04:15:36.700419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f6eeb70d33a6621caf855395eac5cfddaef22c60e5e88b487e52723da21ebe2

Aliases

arxiv: 1104.3669 · arxiv_version: 1104.3669v1 · doi: 10.48550/arxiv.1104.3669 · pith_short_12: D5XOW4GTHJTC · pith_short_16: D5XOW4GTHJTCDSXY · pith_short_8: D5XOW4GT

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/D5XOW4GTHJTCDSXYKU4V5LC47X \
  | 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: 1f6eeb70d33a6621caf855395eac5cfddaef22c60e5e88b487e52723da21ebe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1608f1c0dc5a9d9ff7970c1c0facf1e28c0f90502a72696529287233eb2a01b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-19T08:24:32Z",
    "title_canon_sha256": "9a92dd183cb4d3e91a5606660cb2c7f2a98f71a704ea8644702fa65fc8a7421c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3669",
    "kind": "arxiv",
    "version": 1
  }
}