Pith Number

pith:OUVTNXB5

pith:2011:OUVTNXB5WT5HJLMNONFATBGUXQ

not attested not anchored not stored refs pending

Mass, Light and Colour of the Cosmic Web in the Supercluster SCL2243-0935 (z=0.447)

Hendrik Hildebrandt, Konrad Kuijken, Mischa Schirmer, Thomas Erben

arxiv:1102.4617 v2 · 2011-02-22 · 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	2026-05-18T04:17:04.342271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

752b36dc3db4fa74ad8d734a0984d4bc27f5660b9cdbcd20764d36cc77bfefaa

Aliases

arxiv: 1102.4617 · arxiv_version: 1102.4617v2 · doi: 10.48550/arxiv.1102.4617 · pith_short_12: OUVTNXB5WT5H · pith_short_16: OUVTNXB5WT5HJLMN · pith_short_8: OUVTNXB5

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/OUVTNXB5WT5HJLMNONFATBGUXQ \
  | 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: 752b36dc3db4fa74ad8d734a0984d4bc27f5660b9cdbcd20764d36cc77bfefaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "349fd8d63b07423bdadeb1a9f4de2122c8f379d2bab0e03f69254785fd144364",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-22T21:00:13Z",
    "title_canon_sha256": "6ecfd890a6786ac6bc469343844433c60505d6b90fd88857b70cf3f365bdc728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4617",
    "kind": "arxiv",
    "version": 2
  }
}