Pith Number

pith:OGGDYJ3E

pith:2013:OGGDYJ3EXQB25DJGZHVJOYZPD6

not attested not anchored not stored refs pending

Catalog of narrow $C~IV$ absorption lines in BOSS (I): for quasars with $z_{em} \leq 2.4$

Cai-Juan Pan, Ha-Na Wu, Ming Qin, Wei-Rong Huang, Yi-Ping Qin, Zhi-Fu Chen

arxiv:1312.5413 v1 · 2013-12-19 · 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{OGGDYJ3EXQB25DJGZHVJOYZPD6}

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	2026-05-18T03:04:14.837582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

718c3c2764bc03ae8d26c9ea97632f1fbf6b5654ba436a72a4c65ac1ffff055f

Aliases

arxiv: 1312.5413 · arxiv_version: 1312.5413v1 · doi: 10.48550/arxiv.1312.5413 · pith_short_12: OGGDYJ3EXQB2 · pith_short_16: OGGDYJ3EXQB25DJG · pith_short_8: OGGDYJ3E

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/OGGDYJ3EXQB25DJGZHVJOYZPD6 \
  | 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: 718c3c2764bc03ae8d26c9ea97632f1fbf6b5654ba436a72a4c65ac1ffff055f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55ec48eaf4dbd3bcda7c92bd1af90c3c5d934b502b2af94e080e3de72f4a26ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-19T05:42:17Z",
    "title_canon_sha256": "c7d2bc545a47e6ab1b26c9d653290990c3e1a1f50e91e46945567bf2a3734103"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5413",
    "kind": "arxiv",
    "version": 1
  }
}