Pith Number

pith:UI6RXQQ2

pith:2011:UI6RXQQ2LXJ7K4SXF5PVPDMYEF

not attested not anchored not stored refs pending

Cosmic evolution of the atomic and molecular gas content of galaxies

(2) Caltech, 3), (3) Melbourne, (4) Western University), Andrew J. Benson (2), Carlton M. Baugh (1), Cedric G. Lacey (1), Chris Power (4) ((1) ICC, Claudia del P. Lagos (1), Durham, Han-Seek Kim (1

arxiv:1105.2294 v2 · 2011-05-11 · 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{UI6RXQQ2LXJ7K4SXF5PVPDMYEF}

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	2026-05-18T02:01:59.482579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23d1bc21a5dd3f572572f5f578d98215150d3ed545a4f8e0fd78e7e6184dfda

Aliases

arxiv: 1105.2294 · arxiv_version: 1105.2294v2 · doi: 10.48550/arxiv.1105.2294 · pith_short_12: UI6RXQQ2LXJ7 · pith_short_16: UI6RXQQ2LXJ7K4SX · pith_short_8: UI6RXQQ2

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/UI6RXQQ2LXJ7K4SXF5PVPDMYEF \
  | 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: a23d1bc21a5dd3f572572f5f578d98215150d3ed545a4f8e0fd78e7e6184dfda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eed50dbf5c58eecb90f9d1de9b17cd400442dc4a2f03a825e0aacb493d9eb75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-11T20:00:02Z",
    "title_canon_sha256": "2706e2d406fd3eaaf4558df50a67146c5254a792e7207628809992d1dacee375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2294",
    "kind": "arxiv",
    "version": 2
  }
}