Pith Number

pith:W46O635L

pith:2014:W46O635L4CWDEN666M6T7AIY4Z

not attested not anchored not stored refs pending

A study of low-metallicity DLAs at high redshift and C II* as a probe of their physical conditions

C. Ledoux, H. Rahmani, P. Noterdaeme, P. Petitjean, R. Dutta, R. Srianand

arxiv:1402.2975 v1 · 2014-02-12 · astro-ph.GA · 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{W46O635L4CWDEN666M6T7AIY4Z}

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	2026-05-18T01:44:38.789382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73cef6fabe0ac3237def33d3f8118e66fd721771daf3ca113ec531478a3fb73

Aliases

arxiv: 1402.2975 · arxiv_version: 1402.2975v1 · doi: 10.48550/arxiv.1402.2975 · pith_short_12: W46O635L4CWD · pith_short_16: W46O635L4CWDEN66 · pith_short_8: W46O635L

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/W46O635L4CWDEN666M6T7AIY4Z \
  | 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: b73cef6fabe0ac3237def33d3f8118e66fd721771daf3ca113ec531478a3fb73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0029652487466eaf6ff53a1ddf6340b2ed8308bd7e5ef79b812de82c0c8dff72",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-12T21:00:11Z",
    "title_canon_sha256": "a93c43c317e218ce81a3a8f9c6383d39ada19b25967ffc0cd94718e3077f6f69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2975",
    "kind": "arxiv",
    "version": 1
  }
}