Pith Number

pith:AJA4IHG5

pith:2013:AJA4IHG5LGR63VFOAPM5A4ICIQ

not attested not anchored not stored refs pending

Bimodality of Galaxy Disk Central Surface Brightness Distribution in the Spitzer 3.6 micron band

Helene M. Courtois, Jenny G. Sorce, Kartik Sheth, R. Brent Tully

arxiv:1305.2267 v1 · 2013-05-10 · 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{AJA4IHG5LGR63VFOAPM5A4ICIQ}

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	2026-05-18T01:50:03.839539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0241c41cdd59a3edd4ae03d9d07102443a9118c1f0883e902a90a475e948e957

Aliases

arxiv: 1305.2267 · arxiv_version: 1305.2267v1 · doi: 10.48550/arxiv.1305.2267 · pith_short_12: AJA4IHG5LGR6 · pith_short_16: AJA4IHG5LGR63VFO · pith_short_8: AJA4IHG5

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/AJA4IHG5LGR63VFOAPM5A4ICIQ \
  | 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: 0241c41cdd59a3edd4ae03d9d07102443a9118c1f0883e902a90a475e948e957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e360938ae7db6f334a627877f47725dcdbda9788bdcffc5f9e0400bdfd3efd4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-10T06:57:58Z",
    "title_canon_sha256": "a2191553e1cbf7843bad214370c3859c4b2c3019f8b16bb27ed51e9228cfc2d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2267",
    "kind": "arxiv",
    "version": 1
  }
}