Pith Number

pith:5N3CTZTY

pith:2017:5N3CTZTYNDQATL27BF54VQCDB2

not attested not anchored not stored refs pending

What does Civ{\lambda}1549 tell us about the physical driver of the Eigenvector Quasar Sequence?

A. Del Olmo, C.A. Negrete, D. Dultzin, G.M. Stirpe, J. Perea, J. W. Sulentic, M. A. Mart\'inez-Carballo, M. D'Onofrio, M. L. Mart\'inez-Aldama, P. Marziani, S. Zamfir

arxiv:1708.03187 v1 · 2017-08-10 · 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{5N3CTZTYNDQATL27BF54VQCDB2}

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	2026-05-18T00:26:29.373961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb7629e67868e009af5f097bcac0430ebfba17da9e1e6c12f6afcd0f39566d8c

Aliases

arxiv: 1708.03187 · arxiv_version: 1708.03187v1 · doi: 10.48550/arxiv.1708.03187 · pith_short_12: 5N3CTZTYNDQA · pith_short_16: 5N3CTZTYNDQATL27 · pith_short_8: 5N3CTZTY

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/5N3CTZTYNDQATL27BF54VQCDB2 \
  | 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: eb7629e67868e009af5f097bcac0430ebfba17da9e1e6c12f6afcd0f39566d8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aac888a0cbea18c2d2f4198845e2733f6ab0a5aa173e8ee699ba03763e82809",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-10T12:48:41Z",
    "title_canon_sha256": "e23e35361237f1fb9c7ca3be04a48f75255dfcc8e72e3cb33e77623eff595759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03187",
    "kind": "arxiv",
    "version": 1
  }
}