Pith Number

pith:AMOIYS2P

pith:2001:AMOIYS2PR7NEFTQUGQQ6MX343Z

not attested not anchored not stored refs pending

The origin of primary nitrogen in galaxies

Andre Maeder, Georges Meynet

arxiv:astro-ph/0111187 v1 · 2001-11-09 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMOIYS2PR7NEFTQUGQQ6MX343Z}

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	2026-07-04T16:24:26.173118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

031c8c4b4f8fda42ce143421e65f7cde6b6117dff022203762aa3343c35b9957

Aliases

arxiv: astro-ph/0111187 · arxiv_version: astro-ph/0111187v1 · doi: 10.48550/arxiv.astro-ph/0111187 · pith_short_12: AMOIYS2PR7NE · pith_short_16: AMOIYS2PR7NEFTQU · pith_short_8: AMOIYS2P

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/AMOIYS2PR7NEFTQUGQQ6MX343Z \
  | 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: 031c8c4b4f8fda42ce143421e65f7cde6b6117dff022203762aa3343c35b9957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c13c059837e563f35e58b649e785ec8bf9427220d097574f51e87c839baa0263",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-09T07:34:51Z",
    "title_canon_sha256": "e3b79a1f211650a497014e05430330b19267f19174fdc91e2f2952d3574ec8a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111187",
    "kind": "arxiv",
    "version": 1
  }
}