Pith Number

pith:5ZR42ELR

pith:2013:5ZR42ELRTIXMZVMFQXPCYHMKHZ

not attested not anchored not stored refs pending

Galaxy and Mass Assembly (GAMA): galaxy radial alignments in GAMA groups

Aaron Robotham, Andrew Hopkins, Carlos S. Frenk, Jochen Liske, Jon Loveday, Joss Bland-Hawthorn, Lee Kelvin, Michael D. Schneider, Peder Norberg, Rachel Mandelbaum, Sarah Brough, Shaun Cole, Simon Driver

arxiv:1306.4963 v1 · 2013-06-20 · 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{5ZR42ELRTIXMZVMFQXPCYHMKHZ}

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	2026-05-18T01:49:14.255846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee63cd11719a2eccd58585de2c1d8a3e4eacdb54af47be64efe06910c5e7fe37

Aliases

arxiv: 1306.4963 · arxiv_version: 1306.4963v1 · doi: 10.48550/arxiv.1306.4963 · pith_short_12: 5ZR42ELRTIXM · pith_short_16: 5ZR42ELRTIXMZVMF · pith_short_8: 5ZR42ELR

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/5ZR42ELRTIXMZVMFQXPCYHMKHZ \
  | 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: ee63cd11719a2eccd58585de2c1d8a3e4eacdb54af47be64efe06910c5e7fe37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d2e0ff238e544aaf83a8dff6c617cabd33168af1c71a35b2f88b1cdc9348cd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-20T19:29:15Z",
    "title_canon_sha256": "b31d4d78b1d8aa9164fadb6276c40e70756c20809837b03d1510482fc7fa49fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4963",
    "kind": "arxiv",
    "version": 1
  }
}