Pith Number

pith:HC6XDDT5

pith:2018:HC6XDDT52WPQ3HGLZU6WCF7YYR

not attested not anchored not stored refs pending

The correlated variations of C IV narrow absorption lines and quasar continuum

Bing He, Ting-Ting Pang, Yong Huang, Zhi-Fu Chen

arxiv:1806.02016 v1 · 2018-06-06 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HC6XDDT52WPQ3HGLZU6WCF7YYR}

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	2026-05-18T00:13:25.056076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38bd718e7dd59f0d9ccbcd3d6117f8c446e75dde3d95251d0bc3fbb28776ab45

Aliases

arxiv: 1806.02016 · arxiv_version: 1806.02016v1 · doi: 10.48550/arxiv.1806.02016 · pith_short_12: HC6XDDT52WPQ · pith_short_16: HC6XDDT52WPQ3HGL · pith_short_8: HC6XDDT5

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/HC6XDDT52WPQ3HGLZU6WCF7YYR \
  | 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: 38bd718e7dd59f0d9ccbcd3d6117f8c446e75dde3d95251d0bc3fbb28776ab45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a54573c2941601822ee1e702adb3a44331471df45d0419853c3043cb799822",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-06T06:07:50Z",
    "title_canon_sha256": "2f8a4c3e2d548195b33d172148ca1cf449516ae74818c8c0e78e55c8efb4b6af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02016",
    "kind": "arxiv",
    "version": 1
  }
}