Pith Number

pith:IDZLUTUI

pith:2015:IDZLUTUIGH776J3ZQGVY3BDOO3

not attested not anchored not stored refs pending

Dissecting the quasar main sequence: insight from host galaxy properties

Jiayi Sun, Yue Shen

arxiv:1503.08364 v1 · 2015-03-28 · 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{IDZLUTUIGH776J3ZQGVY3BDOO3}

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	2026-05-18T01:40:49.642550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40f2ba4e8831ffff277981ab8d846e76d8f76b578424f75004640b2cb7144d6a

Aliases

arxiv: 1503.08364 · arxiv_version: 1503.08364v1 · doi: 10.48550/arxiv.1503.08364 · pith_short_12: IDZLUTUIGH77 · pith_short_16: IDZLUTUIGH776J3Z · pith_short_8: IDZLUTUI

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/IDZLUTUIGH776J3ZQGVY3BDOO3 \
  | 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: 40f2ba4e8831ffff277981ab8d846e76d8f76b578424f75004640b2cb7144d6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23986d7a8752b19b7413cf620643eae857baa05a6c7c27f90f93025c27d6f4a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-28T23:04:21Z",
    "title_canon_sha256": "5f7b238af140e3625d2b22d95389e66f64c864a6f9d92f3636c49fa280130b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08364",
    "kind": "arxiv",
    "version": 1
  }
}