Pith Number

pith:ZY5OAW4Y

pith:2017:ZY5OAW4Y5GGSLAA35WF7MUBX4V

not attested not anchored not stored refs pending

The Anatomy of the Column Density Probability Distribution Function (N-PDF)

Alyssa A. Goodman, Blakesley Burkhart, David C. Collins, Hope Chen

arxiv:1707.09356 v1 · 2017-07-28 · 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{ZY5OAW4Y5GGSLAA35WF7MUBX4V}

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	2026-05-18T00:04:45.359065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce3ae05b98e98d25801bed8bf65037e567e32ea695cf48f421efc6160c4971ac

Aliases

arxiv: 1707.09356 · arxiv_version: 1707.09356v1 · doi: 10.48550/arxiv.1707.09356 · pith_short_12: ZY5OAW4Y5GGS · pith_short_16: ZY5OAW4Y5GGSLAA3 · pith_short_8: ZY5OAW4Y

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/ZY5OAW4Y5GGSLAA35WF7MUBX4V \
  | 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: ce3ae05b98e98d25801bed8bf65037e567e32ea695cf48f421efc6160c4971ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3459c98200454197f0264b957547f411b6e3375b14e5903ff497ab1cf1b18d4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-28T17:55:05Z",
    "title_canon_sha256": "efee9fa9219b66cb2534a8077362e1caf49b3668b44c08133114abc3062f736e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09356",
    "kind": "arxiv",
    "version": 1
  }
}