Pith Number

pith:5UJY7G4D

pith:2000:5UJY7G4DW3ORLAPM4LQCRAIPXP

not attested not anchored not stored refs pending

On radial gas flows, the Galactic Bar and chemical evolution in the Galactic Disc

C. Chiosi, L. Portinari

arxiv:astro-ph/0002145 v1 · 2000-02-07 · 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{5UJY7G4DW3ORLAPM4LQCRAIPXP}

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.

Cited by

1 paper in Pith

Towards a measurement of the primordial helium isotope ratio

Receipt and verification

First computed	2026-07-04T14:10:10.049561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed138f9b83b6dd1581ece2e028810fbbe16290e5ad9af535342cbb5e47f8cb7e

Aliases

arxiv: astro-ph/0002145 · arxiv_version: astro-ph/0002145v1 · doi: 10.48550/arxiv.astro-ph/0002145 · pith_short_12: 5UJY7G4DW3OR · pith_short_16: 5UJY7G4DW3ORLAPM · pith_short_8: 5UJY7G4D

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/5UJY7G4DW3ORLAPM4LQCRAIPXP \
  | 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: ed138f9b83b6dd1581ece2e028810fbbe16290e5ad9af535342cbb5e47f8cb7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcde44ca31d82457d213be2017bcce473dbdc4f63429e1d3669fa449ce88ee4b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-07T14:01:06Z",
    "title_canon_sha256": "d09541fbaeb4aca21bcea60f174e4dd336c2bfb8ed8309f18d1b848c904837c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002145",
    "kind": "arxiv",
    "version": 1
  }
}