Pith Number

pith:PXUBVYDD

pith:2011:PXUBVYDDK7W6L7F2LU27AP6SSR

not attested not anchored not stored refs pending

A New Automatic Method to Identify Galaxy Mergers I. Description and Application to the STAGES Survey

Alfonso Aragon-Salamanca, Asmus Boehm, Boris Haussler, Carlos Hoyos, Christian Wolf, Daniel H. McIntosh, David T. Maltby, Eric F. Bell, Fabio D. Barazza, Knud Jahnke, Kyle P. Lane, Meghan E. Gray, Sharda Jogee

arxiv:1109.6828 v1 · 2011-09-30 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PXUBVYDDK7W6L7F2LU27AP6SSR}

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	2026-05-18T02:00:20.981641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7de81ae06357ede5fcba5d35f03fd29461278e4dea65d6a5baad8b94987e2631

Aliases

arxiv: 1109.6828 · arxiv_version: 1109.6828v1 · doi: 10.48550/arxiv.1109.6828 · pith_short_12: PXUBVYDDK7W6 · pith_short_16: PXUBVYDDK7W6L7F2 · pith_short_8: PXUBVYDD

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/PXUBVYDDK7W6L7F2LU27AP6SSR \
  | 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: 7de81ae06357ede5fcba5d35f03fd29461278e4dea65d6a5baad8b94987e2631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf32bc2c43e838a60b03961819aa0a66cc421a8f41a5d5afbe40c33538bb8756",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-30T14:14:26Z",
    "title_canon_sha256": "58c003efc953d1b95bdc2d0405f8b0badbb8e0c9cf7fa6a8fff4bac6d87b9e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6828",
    "kind": "arxiv",
    "version": 1
  }
}