Pith Number

pith:FJMR3AU7

pith:2018:FJMR3AU7MJUFLBVV4LFJOJQKEG

not attested not anchored not stored refs pending

The properties of broad absorption line outflows based on a large sample of quasars

Guilin Liu, Guobin Mou, Hongyan Zhou, Huiyuan Wang, Jun Xu, Kirill Tchernyshyov, Richard Green, Tinggui Wang, Weihao Bian, Youhua Xu, Zhicheng He (USTC)

arxiv:1812.08982 v2 · 2018-12-21 · 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{FJMR3AU7MJUFLBVV4LFJOJQKEG}

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	2026-05-17T23:51:39.046869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a591d829f62685586b5e2ca97260a21a5c4d8fe1f203371e8a6946e0553587e

Aliases

arxiv: 1812.08982 · arxiv_version: 1812.08982v2 · doi: 10.48550/arxiv.1812.08982 · pith_short_12: FJMR3AU7MJUF · pith_short_16: FJMR3AU7MJUFLBVV · pith_short_8: FJMR3AU7

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/FJMR3AU7MJUFLBVV4LFJOJQKEG \
  | 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: 2a591d829f62685586b5e2ca97260a21a5c4d8fe1f203371e8a6946e0553587e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30d9c2649842a6aa71bc9ac2ea44946696e05d2e4a0e1c0e066a1807afe93285",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-21T07:40:52Z",
    "title_canon_sha256": "9994103976615e54556b1d05ca7743d0a983e41369cd7ea8d879de96bc6aeacd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08982",
    "kind": "arxiv",
    "version": 2
  }
}