Pith Number

pith:OC4ET33C

pith:2016:OC4ET33CXPEUVRLVHIVULXQJYQ

not attested not anchored not stored refs pending

C3, A Command-line Catalogue Cross-match tool for large astrophysical catalogues

Amata Mercurio, Anna Maria Di Giorgio, Giuseppe Riccio, Massimo Brescia, Sergio Molinari, Stefano Cavuoti

arxiv:1611.04431 v3 · 2016-11-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OC4ET33CXPEUVRLVHIVULXQJYQ}

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	2026-05-18T00:49:23.340885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70b849ef62bbc94ac5753a2b45de09c42a5ca7f5ab4c539c600572660b90af58

Aliases

arxiv: 1611.04431 · arxiv_version: 1611.04431v3 · doi: 10.48550/arxiv.1611.04431 · pith_short_12: OC4ET33CXPEU · pith_short_16: OC4ET33CXPEUVRLV · pith_short_8: OC4ET33C

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/OC4ET33CXPEUVRLVHIVULXQJYQ \
  | 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: 70b849ef62bbc94ac5753a2b45de09c42a5ca7f5ab4c539c600572660b90af58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02854d9a91f684ee2772e4175591c5f7e4ff926e58db48fbb51f5cd67ff3d07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-11-14T16:04:50Z",
    "title_canon_sha256": "a60a9b97773fd3827f83692500cc288bfcdb89f7b84dff4eaa473dfe3f1b8076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04431",
    "kind": "arxiv",
    "version": 3
  }
}