Pith Number

pith:L53SVHGE

pith:2013:L53SVHGEDSGOUQLACNMRMCJBBM

not attested not anchored not stored refs pending

AGN surveys to study galaxy evolution along cosmic times

Italy), Luigi Spinoglio (IAPS-INAF, Roma

arxiv:1312.4294 v1 · 2013-12-16 · astro-ph.GA · 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{L53SVHGEDSGOUQLACNMRMCJBBM}

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	2026-05-18T01:45:50.339530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f772a9cc41c8cea416013591609210b199f90bdb692dd1385f651ff9567b7c2

Aliases

arxiv: 1312.4294 · arxiv_version: 1312.4294v1 · doi: 10.48550/arxiv.1312.4294 · pith_short_12: L53SVHGEDSGO · pith_short_16: L53SVHGEDSGOUQLA · pith_short_8: L53SVHGE

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/L53SVHGEDSGOUQLACNMRMCJBBM \
  | 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: 5f772a9cc41c8cea416013591609210b199f90bdb692dd1385f651ff9567b7c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf12bd7b91616e6b03cbe58bb526e7b6494e05e02e1d43bbaac079d4e5bb9b05",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-16T10:25:10Z",
    "title_canon_sha256": "fbd0d222e3fd9783add848df2169a645d05d8cc4285a14fb5fd47c7c1ee6df25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4294",
    "kind": "arxiv",
    "version": 1
  }
}