Pith Number

pith:GQDWYHUP

pith:2013:GQDWYHUP753W3GW4J452KZOOC4

not attested not anchored not stored refs pending

Merger Driven Explosive Evolution of Distant Galaxies (Minor Mergers)

A. V. Kats, V. M. Kontorovich

arxiv:1309.0957 v2 · 2013-09-04 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQDWYHUP753W3GW4J452KZOOC4}

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	2026-05-18T01:47:49.967059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34076c1e8fff776d9adc4f3ba565ce171adb262f4b420df01f265e46bebbe7ce

Aliases

arxiv: 1309.0957 · arxiv_version: 1309.0957v2 · doi: 10.48550/arxiv.1309.0957 · pith_short_12: GQDWYHUP753W · pith_short_16: GQDWYHUP753W3GW4 · pith_short_8: GQDWYHUP

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/GQDWYHUP753W3GW4J452KZOOC4 \
  | 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: 34076c1e8fff776d9adc4f3ba565ce171adb262f4b420df01f265e46bebbe7ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81e4fbc6f614f796f3d5407e57159861572f5ee65c69f08009ca3d3e46216698",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-04T09:55:56Z",
    "title_canon_sha256": "df918c57a7bd151fbf26f6234a5a5845e9f7bac76ec5832ff85b0fa0d672ed5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0957",
    "kind": "arxiv",
    "version": 2
  }
}