Pith Number

pith:NZW4RTPU

pith:2012:NZW4RTPURVZHBZPJM5GRVE6ZWU

not attested not anchored not stored refs pending

Column density distribution and cosmological mass density of neutral gas: Sloan Digital Sky Survey-III Data Release 9

A. D. Myers, A. Font-Ribera, A. Simmons, D. Bizyaev, D. G. York, D. Oravetz, D. P. Schneider, E. Aubourg, E. Malanushenko, G. Ebelke, H. Finley, I. P\^aris, J. Ge, J. Miralda-Escud\'e, K. Pan, M. M. Pieri, N. P. Ross, P. Noterdaeme, P. Petitjean, S. Bailey, V. Malanushenko, W. C. Carithers

arxiv:1210.1213 v1 · 2012-10-03 · 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{NZW4RTPURVZHBZPJM5GRVE6ZWU}

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	2026-05-18T01:54:10.929783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e6dc8cdf48d7270e5e9674d1a93d9b510bc25d9f53499b8ea8bbc55487e5ecf

Aliases

arxiv: 1210.1213 · arxiv_version: 1210.1213v1 · doi: 10.48550/arxiv.1210.1213 · pith_short_12: NZW4RTPURVZH · pith_short_16: NZW4RTPURVZHBZPJ · pith_short_8: NZW4RTPU

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/NZW4RTPURVZHBZPJM5GRVE6ZWU \
  | 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: 6e6dc8cdf48d7270e5e9674d1a93d9b510bc25d9f53499b8ea8bbc55487e5ecf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "208ea7ed470ecbccaed1a3edc717939f893c40789aecd74732d2422639e5af01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-03T20:00:01Z",
    "title_canon_sha256": "5a2153d2d5f51df7d42d7eafd00ac787a327295c73204c98cb38776a7096b925"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1213",
    "kind": "arxiv",
    "version": 1
  }
}