Pith Number

pith:GCDXTLDE

pith:2002:GCDXTLDEFI4XGNDVREUG4YJ3GN

not attested not anchored not stored refs pending

Near-IR and Optical Morphology of Spiral Galaxies

Alice C. Quillen, Amelia Stutz, Andreas A. Berlind, D.L. Depoy, Donald M. Terndrup & Glenn P. Tiede, Jay A. Frogel, Karoline M. Gilbert, K. Sellgren, Leslie E. Kuchinski, Mark L. Houdashelt, Paul B. Eskridge, Richard W. Pogge, Roger L. Davies, Solange V. Ramirez

arxiv:astro-ph/0206320 v1 · 2002-06-18 · 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{GCDXTLDEFI4XGNDVREUG4YJ3GN}

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	2026-07-04T15:52:02.055015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

308779ac642a3973347589286e613b3349fb7139b0670d53cf3ca446e065d1a6

Aliases

arxiv: astro-ph/0206320 · arxiv_version: astro-ph/0206320v1 · doi: 10.48550/arxiv.astro-ph/0206320 · pith_short_12: GCDXTLDEFI4X · pith_short_16: GCDXTLDEFI4XGNDV · pith_short_8: GCDXTLDE

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/GCDXTLDEFI4XGNDVREUG4YJ3GN \
  | 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: 308779ac642a3973347589286e613b3349fb7139b0670d53cf3ca446e065d1a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45f093fd3f3088a0319f9cf29c9279ce41497baa2e930fdf684a592bd18adea9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-18T21:34:21Z",
    "title_canon_sha256": "f30c66aa6e764210b441a95216fb76f7c434b1b8ef4cf78f07615f57b03bc281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206320",
    "kind": "arxiv",
    "version": 1
  }
}