Pith Number

pith:FEDN7E57

pith:2013:FEDN7E57K2MS4LEYPACWKZ37D6

not attested not anchored not stored refs pending

Evolution of hierarchical clustering in the CFHTLS-Wide since z~1

H. J. McCracken, J. N. Fry, M. Kilbinger, M. Wolk, O. Ilbert, P. Hudelot, S. Colombi, Y. Mellier

arxiv:1301.3301 v1 · 2013-01-15 · astro-ph.CO

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

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	2026-05-18T01:52:12.125494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2906df93bf56992e2c98780565677f1f880b03292192a85430ff1f8db62a420a

Aliases

arxiv: 1301.3301 · arxiv_version: 1301.3301v1 · doi: 10.48550/arxiv.1301.3301 · pith_short_12: FEDN7E57K2MS · pith_short_16: FEDN7E57K2MS4LEY · pith_short_8: FEDN7E57

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/FEDN7E57K2MS4LEYPACWKZ37D6 \
  | 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: 2906df93bf56992e2c98780565677f1f880b03292192a85430ff1f8db62a420a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "981ec632c5682ed4036274310b8e898a8c17e7a7591e57fb5e2582b6f2cb9272",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-15T10:54:47Z",
    "title_canon_sha256": "89f84a4f649f4799f1bb4d673d1a436f491d318f91ac92d7386f44d22b6a14a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3301",
    "kind": "arxiv",
    "version": 1
  }
}