Pith Number

pith:MA6PSAFW

pith:2013:MA6PSAFWWESUT4TINWYY2GAZY5

not attested not anchored not stored refs pending

Probing the mass assembly of massive nearby galaxies with deep imaging

Pierre-Alain Duc

arxiv:1302.6628 v1 · 2013-02-26 · 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{MA6PSAFWWESUT4TINWYY2GAZY5}

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	2026-05-18T01:51:26.940242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

603cf900b6b12549f2686db18d1819c77e8e95a2c1969e81c0254da1fa7f8e1a

Aliases

arxiv: 1302.6628 · arxiv_version: 1302.6628v1 · doi: 10.48550/arxiv.1302.6628 · pith_short_12: MA6PSAFWWESU · pith_short_16: MA6PSAFWWESUT4TI · pith_short_8: MA6PSAFW

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/MA6PSAFWWESUT4TINWYY2GAZY5 \
  | 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: 603cf900b6b12549f2686db18d1819c77e8e95a2c1969e81c0254da1fa7f8e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b83e6d97c1c9c567e5eb1916e2594fbc1be92ea496dc217dab7ef2d2667750e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-26T23:41:18Z",
    "title_canon_sha256": "08b6fe9270101ddef19c071dc6ca6b098d027fe9aeb9aba3ea5bd6f03798e406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6628",
    "kind": "arxiv",
    "version": 1
  }
}