Pith Number

pith:EUE335ZU

pith:2013:EUE335ZUH7DN3X37G422SYLSVM

not attested not anchored not stored refs pending

The Physics and Physical Properties of Quasar Outflows

Daniel Capellupo, Fred Hamann, George Chartas, Jane Charlton, Joseph Shields, Michael Eracleous, Paola Rodriguez Hidalgo, Sean McGraw

arxiv:1302.0201 v1 · 2013-02-01 · 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{EUE335ZUH7DN3X37G422SYLSVM}

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	2026-05-18T03:34:47.100286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2509bdf7343fc6dddf7f3735a96172ab18e0198d9562f11e81ad804152bf2174

Aliases

arxiv: 1302.0201 · arxiv_version: 1302.0201v1 · doi: 10.48550/arxiv.1302.0201 · pith_short_12: EUE335ZUH7DN · pith_short_16: EUE335ZUH7DN3X37 · pith_short_8: EUE335ZU

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/EUE335ZUH7DN3X37G422SYLSVM \
  | 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: 2509bdf7343fc6dddf7f3735a96172ab18e0198d9562f11e81ad804152bf2174

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0964b96e70557d7795a6f85cfd552320f1b719b79e0f3ef592c50ae0a88044fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-01T15:07:50Z",
    "title_canon_sha256": "b18edffcde256f9855f8b600e3b9668a2be24c9d0bcb902c4e8ea6110275ba50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0201",
    "kind": "arxiv",
    "version": 1
  }
}