Pith Number

pith:QLYL7YH3

pith:2013:QLYL7YH3DLDLH7O5MQ27S2QJS2

not attested not anchored not stored refs pending

Emergences of C IV narrow absorption troughs in the quasar SDSS J095254.10+021932.8

Cai-Juan Pan, Mu-Sheng Li, Wei-Rong Huang, You-Bing Li, Zhi-Fu Chen

arxiv:1310.6575 v1 · 2013-10-24 · 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{QLYL7YH3DLDLH7O5MQ27S2QJS2}

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	2026-05-18T01:46:50.131941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f0bfe0fb1ac6b3fddd6435f96a0996bacd8efdecb79c22a023aa1a04bab7e7

Aliases

arxiv: 1310.6575 · arxiv_version: 1310.6575v1 · doi: 10.48550/arxiv.1310.6575 · pith_short_12: QLYL7YH3DLDL · pith_short_16: QLYL7YH3DLDLH7O5 · pith_short_8: QLYL7YH3

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/QLYL7YH3DLDLH7O5MQ27S2QJS2 \
  | 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: 82f0bfe0fb1ac6b3fddd6435f96a0996bacd8efdecb79c22a023aa1a04bab7e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3070ac5622bdd3ad879858d9c72a1d6466e25f19f2cf213618557ef37355dc2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-24T11:56:41Z",
    "title_canon_sha256": "f878d982ca5d015d18a784f67ce4dc75263ccef71b6bc6ff721173fbbc68505a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6575",
    "kind": "arxiv",
    "version": 1
  }
}