pith. sign in
Pith Number

pith:DNH6L2H7

pith:2012:DNH6L2H7OJYXU2COZVG4GPNAQM
not attested not anchored not stored refs pending

20 cm VLA Radio-Continuum Study of M31 - Images and Point Source Catalogues

A. Y. De Horta, E. J. Crawford, G. F. Wong, M. D. Filipovi\'c, N. F. H. Tothill, T. J. Galvin

arxiv:1205.0066 v1 · 2012-05-01 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DNH6L2H7OJYXU2COZVG4GPNAQM}

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 2026-05-18T01:57:41.999956Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1b4fe5e8ff72717a684ecd4dc33da08307864807a39e57c456983620a199372d

Aliases

arxiv: 1205.0066 · arxiv_version: 1205.0066v1 · doi: 10.48550/arxiv.1205.0066 · pith_short_12: DNH6L2H7OJYX · pith_short_16: DNH6L2H7OJYXU2CO · pith_short_8: DNH6L2H7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DNH6L2H7OJYXU2COZVG4GPNAQM \
  | 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: 1b4fe5e8ff72717a684ecd4dc33da08307864807a39e57c456983620a199372d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3e8167b9c88deabae6c09939b74bdffd664268e2e94a309baf59c5534b4774e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-05-01T01:19:17Z",
    "title_canon_sha256": "3f6dd442c3505b69cdade4fb6b7443bc7f74063b11422e726f148d1b7dc44235"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0066",
    "kind": "arxiv",
    "version": 1
  }
}