Pith Number

pith:7QRXK4Q2

pith:2006:7QRXK4Q25ESHESPTZIIPANNE5F

not attested not anchored not stored refs pending

Spitzer/MIPS Infrared Imaging of M31: Further Evidence for a Spiral/Ring Composite Structure

A. Noriega-Crespo, B. K. Gibson, C. W. Engelbracht, D. A. Levine, D. A. Thilker, D. C. Hines, E. T. Young, F. R. Marleau, G. H. Rieke, J. Bailin, J. Hinz, K. A. Misselt, Karl D. Gordon, M. L. N. Ashby, M. W. Werner, O. Krause, P. Barmby, S. Stolovy, W. B. Latter

arxiv:astro-ph/0601314 v1 · 2006-01-15 · 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{7QRXK4Q25ESHESPTZIIPANNE5F}

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	2026-07-04T16:57:47.848348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc2375721ae9247249f3ca10f035a4e96f2f0cca5af1c8f1326a1eefcedcf5fa

Aliases

arxiv: astro-ph/0601314 · arxiv_version: astro-ph/0601314v1 · doi: 10.48550/arxiv.astro-ph/0601314 · pith_short_12: 7QRXK4Q25ESH · pith_short_16: 7QRXK4Q25ESHESPT · pith_short_8: 7QRXK4Q2

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/7QRXK4Q25ESHESPTZIIPANNE5F \
  | 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: fc2375721ae9247249f3ca10f035a4e96f2f0cca5af1c8f1326a1eefcedcf5fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4644abf88d59fb69d89536cb48e849f0bec6891a00f783e504f2f2affd2eff0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-15T19:05:37Z",
    "title_canon_sha256": "33c0957c1e90a0239bc7559fbc6e557dcffdde7c190b71d5b7c6d7fc2d18aafc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601314",
    "kind": "arxiv",
    "version": 1
  }
}