Pith Number

pith:SCID6ZAS

pith:2014:SCID6ZASCYBWVNSMITZZEMPGRI

not attested not anchored not stored refs pending

The ESO UVES Advanced Data Products Quasar Sample - III. Evidence of Bimodality in the [N/alpha] Distribution

2), (2) LAM, (3) OAT, (4) ICRAR), Attila Popping (4) ((1) ESO, Celine Peroux (2), Giovanni Vladilo (3), Miriam Centurion (3), Paolo Molaro (3), Tayyaba Zafar (1, Valentina D'Odorico (3)

arxiv:1407.8306 v1 · 2014-07-31 · astro-ph.GA · 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{SCID6ZASCYBWVNSMITZZEMPGRI}

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	2026-05-18T02:42:45.769149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90903f641216036ab64c44f39231e68a361324e7cfa6aa63f085fe0c42ebc903

Aliases

arxiv: 1407.8306 · arxiv_version: 1407.8306v1 · doi: 10.48550/arxiv.1407.8306 · pith_short_12: SCID6ZASCYBW · pith_short_16: SCID6ZASCYBWVNSM · pith_short_8: SCID6ZAS

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/SCID6ZASCYBWVNSMITZZEMPGRI \
  | 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: 90903f641216036ab64c44f39231e68a361324e7cfa6aa63f085fe0c42ebc903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5b6f1ad42347b8dc9ec1b9d20755f1946ebf50981096e6eab9dd34702bd6be",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-31T08:23:55Z",
    "title_canon_sha256": "aac05b2f3dae91d1c8fca0ce54da8932802688f88480501f18507d3430c07123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8306",
    "kind": "arxiv",
    "version": 1
  }
}