Pith Number

pith:XU6LG2EK

pith:2013:XU6LG2EKPXMK3HQFNY7DTQVSQJ

not attested not anchored not stored refs pending

The ESO UVES Advanced Data Products Quasar Sample - II. Cosmological Evolution of the Neutral Gas Mass Density

(2) ICRAR, 3) ((1) LAM, (3) Ohio State University), Attila Popping (2), Bruno Milliard (1), Celine Peroux (1), Jean-Michel Deharveng (1), Stephan Frank (1, Tayyaba Zafar (1)

arxiv:1307.0602 v2 · 2013-07-02 · 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{XU6LG2EKPXMK3HQFNY7DTQVSQJ}

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.

Cited by

1 paper in Pith

Interstellar dust production, destruction and effects of dust depletion in galaxies

Receipt and verification

First computed	2026-05-18T03:15:55.532469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd3cb3688a7dd8ad9e056e3e39c2b282498c75ca5563c981722cf0a9c3bab01f

Aliases

arxiv: 1307.0602 · arxiv_version: 1307.0602v2 · doi: 10.48550/arxiv.1307.0602 · pith_short_12: XU6LG2EKPXMK · pith_short_16: XU6LG2EKPXMK3HQF · pith_short_8: XU6LG2EK

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/XU6LG2EKPXMK3HQFNY7DTQVSQJ \
  | 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: bd3cb3688a7dd8ad9e056e3e39c2b282498c75ca5563c981722cf0a9c3bab01f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60349747be907ee339927ef318485014fa932d7fb7347a4865d9e1972bbc5a06",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-02T07:15:48Z",
    "title_canon_sha256": "68cf34a03d66e98f4d910228d187360439b1a91e9fd1db8246449ee30dfc5202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0602",
    "kind": "arxiv",
    "version": 2
  }
}