Pith Number

pith:AOCYJHRU

pith:2004:AOCYJHRUKCY2TST47E3SIJGKZD

not attested not anchored not stored refs pending

GALEX Observations of the Ultraviolet Halos of NGC 253 and M82

A. Gil de Paz, A. S. Szalay, B. F. Madore, B. Milliard, B. Y. Welsh, C. G. Hoopes, D. A. Thilker, D. Burgarella, D. C. Martin, D. K. Strickland, D. Schiminovich, J. Donas, K. Forster, L. Bianchi, M. Seibert, O. H. W. Siegmund, P. F. Morrissey, P. G. Friedman, P. N. Jelinsky, R. F. Malina, R. M. Rich, S. G. Neff, T. A. Barlow, T. K. Wyder, T. M. Heckman, T. Small, Y.-I. Byun, Y.-W. Lee

arxiv:astro-ph/0411309 v1 · 2004-11-11 · 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{AOCYJHRUKCY2TST47E3SIJGKZD}

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	2026-07-04T16:45:10.718805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0385849e3450b1a9ca7cf9372424cac8ebfdd682bbd764310d1f561b0d82c4ca

Aliases

arxiv: astro-ph/0411309 · arxiv_version: astro-ph/0411309v1 · doi: 10.48550/arxiv.astro-ph/0411309 · pith_short_12: AOCYJHRUKCY2 · pith_short_16: AOCYJHRUKCY2TST4 · pith_short_8: AOCYJHRU

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/AOCYJHRUKCY2TST47E3SIJGKZD \
  | 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: 0385849e3450b1a9ca7cf9372424cac8ebfdd682bbd764310d1f561b0d82c4ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcbc921aa8933cc3abf9ab90fd398632cd4ffad1a51f9ded791c4191a697071f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-11T22:19:08Z",
    "title_canon_sha256": "6e2a9d420135d699b8cc948bfbf8f6f79665e79ebfd1587dc93bbcd3eeea0946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411309",
    "kind": "arxiv",
    "version": 1
  }
}