Pith Number

pith:W4NXXHDM

pith:2012:W4NXXHDMATNY4YOS7BQXT5APEQ

not attested not anchored not stored refs pending

A Lyman Alpha Galaxy at Redshift z=6.944 in the COSMOS Field

Benjamin Weiner, James E. Rhoads, Michael Cooper, Pascale Hibon, Sangeeta Malhotra

arxiv:1205.3161 v1 · 2012-05-14 · 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	2026-05-18T01:57:32.380634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b71b7b9c6c04db8e61d2f86179f40f243183641656d2cfaf5b54df843ba80848

Aliases

arxiv: 1205.3161 · arxiv_version: 1205.3161v1 · doi: 10.48550/arxiv.1205.3161 · pith_short_12: W4NXXHDMATNY · pith_short_16: W4NXXHDMATNY4YOS · pith_short_8: W4NXXHDM

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/W4NXXHDMATNY4YOS7BQXT5APEQ \
  | 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: b71b7b9c6c04db8e61d2f86179f40f243183641656d2cfaf5b54df843ba80848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d315f5a24a35003f3e8d87cc5d1a22546e41cf7570d6f6617d774e5835c91946",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-14T20:00:01Z",
    "title_canon_sha256": "8dac26db251689af22476a835fa9699ab9c2df03edfe8c5bd8cc9b6dd4ef7e3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3161",
    "kind": "arxiv",
    "version": 1
  }
}