Pith Number

pith:ICLB7MA4

pith:2010:ICLB7MA4SP7Z5KL4FLMXJNKP73

not attested not anchored not stored refs pending

Star formation, starbursts and quenching across the Coma supercluster

Chris P. Haines, Smriti Mahajan, Somak Raychaudhury

arxiv:1002.0004 v1 · 2010-01-29 · 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	2026-05-18T02:09:21.960422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40961fb01c93ff9ea97c2ad974b54ffeea66bafeea98dbac25fffe0efdbf92f7

Aliases

arxiv: 1002.0004 · arxiv_version: 1002.0004v1 · doi: 10.48550/arxiv.1002.0004 · pith_short_12: ICLB7MA4SP7Z · pith_short_16: ICLB7MA4SP7Z5KL4 · pith_short_8: ICLB7MA4

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/ICLB7MA4SP7Z5KL4FLMXJNKP73 \
  | 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: 40961fb01c93ff9ea97c2ad974b54ffeea66bafeea98dbac25fffe0efdbf92f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47a90a6450f155dc3026505123df7038af9d26e11078aad42525cbfd7ca83d22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-29T21:00:33Z",
    "title_canon_sha256": "79c4088f65c2b5f8f65784e461fc29930db8871296ba7d5b73cee4f84623a8fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0004",
    "kind": "arxiv",
    "version": 1
  }
}