Pith Number

pith:BTC242Z5

pith:2011:BTC242Z5UWTGGVHVEP2AHPDG3B

not attested not anchored not stored refs pending

A search for faint low surface brightness galaxies in the relaxed cluster Abell 496

Christophe Adami, Florence Durret, Loic Guennou, Melville P. Ulmer, Olivier Ilbert

arxiv:1101.4136 v1 · 2011-01-21 · 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{BTC242Z5UWTGGVHVEP2AHPDG3B}

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	2026-05-18T02:03:25.664087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc5ae6b3da5a66354f523f403bc66d8413b9940afa8d4e677125f1663b1b318

Aliases

arxiv: 1101.4136 · arxiv_version: 1101.4136v1 · doi: 10.48550/arxiv.1101.4136 · pith_short_12: BTC242Z5UWTG · pith_short_16: BTC242Z5UWTGGVHV · pith_short_8: BTC242Z5

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/BTC242Z5UWTGGVHVEP2AHPDG3B \
  | 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: 0cc5ae6b3da5a66354f523f403bc66d8413b9940afa8d4e677125f1663b1b318

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcf7f5d3d94b0c27c7cc45fd947e7e72a34a181b254545602c34d3f6dad849b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-21T14:18:20Z",
    "title_canon_sha256": "552292088d1dd1019b419a6c634c6cd182e067f4667a4e3a357090c21eeb5762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4136",
    "kind": "arxiv",
    "version": 1
  }
}