Pith Number

pith:WPRPB44X

pith:2012:WPRPB44XYYYXCTALSQZM6N24YH

not attested not anchored not stored refs pending

The Suppression of Star Formation and the Effect of Galaxy Environment in Low-Redshift Galaxy Groups

Ali Dariush, Jesper Rasmussen, John S. Mulchaey, Lei Bai, Somak Raychaudhury, Trevor J. Ponman

arxiv:1208.1762 v1 · 2012-08-08 · 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	2026-05-18T01:55:17.422896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3e2f0f397c631714c0b9432cf375cc1ec6ec507d132e02b65f75b1a166bedff

Aliases

arxiv: 1208.1762 · arxiv_version: 1208.1762v1 · doi: 10.48550/arxiv.1208.1762 · pith_short_12: WPRPB44XYYYX · pith_short_16: WPRPB44XYYYXCTAL · pith_short_8: WPRPB44X

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/WPRPB44XYYYXCTALSQZM6N24YH \
  | 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: b3e2f0f397c631714c0b9432cf375cc1ec6ec507d132e02b65f75b1a166bedff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ac280b148d1e9dbf6010194d3ab34c1c18a290d651a5c2b9ce13260c110712c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-08T20:00:03Z",
    "title_canon_sha256": "7210b7028a213d28a0903242d1cb6d4371efa9248011d3574f3bab671fab26f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1762",
    "kind": "arxiv",
    "version": 1
  }
}