Pith Number

pith:IMQYIQF4

pith:2013:IMQYIQF4IV35DTC32L74COS3CX

not attested not anchored not stored refs pending

Signatures of radial migration in barred galaxies: Azimuthal variations in the metallicity distribution of old stars

B. Semelin, F. Combes, France), M. Haywood, O. N. Snaith (Observatoire de Paris, P. Di Matteo

arxiv:1301.2545 v1 · 2013-01-11 · astro-ph.GA · astro-ph.CO

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

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	2026-05-18T01:52:13.314456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43218440bc4577d1cc5bd2ffc13a5b15dcca10b6dd57aade32d3814bfeef8552

Aliases

arxiv: 1301.2545 · arxiv_version: 1301.2545v1 · doi: 10.48550/arxiv.1301.2545 · pith_short_12: IMQYIQF4IV35 · pith_short_16: IMQYIQF4IV35DTC3 · pith_short_8: IMQYIQF4

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/IMQYIQF4IV35DTC32L74COS3CX \
  | 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: 43218440bc4577d1cc5bd2ffc13a5b15dcca10b6dd57aade32d3814bfeef8552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb098868b1dffbc06e631d238456d4e1dbceb66ca61d477e8c412727d216fb05",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-01-11T16:47:02Z",
    "title_canon_sha256": "f2b11bdcc0e220a4d04d7c3aacf6e1947e9479eeb0838c73cbb8eab2433debf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2545",
    "kind": "arxiv",
    "version": 1
  }
}