Pith Number

pith:M2IRWNAB

pith:2011:M2IRWNABL5ZH32VWAKCKLGFLRU

not attested not anchored not stored refs pending

Density PDFs of diffuse gas in the Milky Way

Andrew Fletcher, Elly M. Berkhuijsen

arxiv:1104.2410 v1 · 2011-04-13 · 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{M2IRWNABL5ZH32VWAKCKLGFLRU}

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	2026-05-18T02:02:32.337014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66911b34015f727deab60284a598ab8d223b5aeb1525d3973d25208b6ebb575a

Aliases

arxiv: 1104.2410 · arxiv_version: 1104.2410v1 · doi: 10.48550/arxiv.1104.2410 · pith_short_12: M2IRWNABL5ZH · pith_short_16: M2IRWNABL5ZH32VW · pith_short_8: M2IRWNAB

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/M2IRWNABL5ZH32VWAKCKLGFLRU \
  | 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: 66911b34015f727deab60284a598ab8d223b5aeb1525d3973d25208b6ebb575a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9f844b2cf15c40ce6b6e39c05e42351c00c11cbb0bbddd724d7fb70e8974eb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-04-13T08:28:25Z",
    "title_canon_sha256": "db15439f4f9778fa5ffec7b240f9240d28b435b8914dd7f66ea80885fb860629"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2410",
    "kind": "arxiv",
    "version": 1
  }
}