Pith Number

pith:W2EQYKI6

pith:2010:W2EQYKI6DO4QS7GQBHWKTJXJHB

not attested not anchored not stored refs pending

The Structure of Molecular Clouds: II - Column Density and Mass Distributions

((1) Centre for Astrophysics, D. Froebrich (1), J. Rowles (1), Planetary Science - University of Kent)

arxiv:1004.0117 v1 · 2010-04-01 · 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{W2EQYKI6DO4QS7GQBHWKTJXJHB}

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	2026-05-18T02:08:15.062275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6890c291e1bb9097cd009eca9a6e938579d92c2097393917cd1593c39ce23eb

Aliases

arxiv: 1004.0117 · arxiv_version: 1004.0117v1 · doi: 10.48550/arxiv.1004.0117 · pith_short_12: W2EQYKI6DO4Q · pith_short_16: W2EQYKI6DO4QS7GQ · pith_short_8: W2EQYKI6

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/W2EQYKI6DO4QS7GQBHWKTJXJHB \
  | 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: b6890c291e1bb9097cd009eca9a6e938579d92c2097393917cd1593c39ce23eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd4ff77d905dfb45fa566f9f5c3fe399ddfaf88865babc8190d4cf0220aaf869",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-04-01T12:16:36Z",
    "title_canon_sha256": "fde85638b5a142ef16db78c9560e405adee8f6d4fa143494a138e77c151bae09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0117",
    "kind": "arxiv",
    "version": 1
  }
}