Pith Number

pith:FO2YKPW3

pith:2003:FO2YKPW3PCCTNPAZ6AEYSKBYVQ

not attested not anchored not stored refs pending

Double-Barred Galaxies: I. A Catalog of Barred Galaxies with Stellar Secondary Bars and Inner Disks

Peter Erwin (Instituto de Astrofisica de Canarias)

arxiv:astro-ph/0310806 v2 · 2003-10-28 · 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{FO2YKPW3PCCTNPAZ6AEYSKBYVQ}

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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

GalPort: Investigation of the bar in action-angle space

Receipt and verification

First computed	2026-07-04T16:37:37.854613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb5853edb788536bc19f009892838ac20f1f37d5d767b96c3f19032b7904ca1

Aliases

arxiv: astro-ph/0310806 · arxiv_version: astro-ph/0310806v2 · doi: 10.48550/arxiv.astro-ph/0310806 · pith_short_12: FO2YKPW3PCCT · pith_short_16: FO2YKPW3PCCTNPAZ · pith_short_8: FO2YKPW3

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/FO2YKPW3PCCTNPAZ6AEYSKBYVQ \
  | 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: 2bb5853edb788536bc19f009892838ac20f1f37d5d767b96c3f19032b7904ca1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13aeccf3698e4dce1713bd8f9a246866c769e20602860dff16eda7fe20002f39",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-28T20:25:02Z",
    "title_canon_sha256": "28351bf8b5a6841916de67afd40dfd827b04fb9e96e5c3f4e5cfc14562c5334e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310806",
    "kind": "arxiv",
    "version": 2
  }
}