Pith Number

pith:BE6Y6TOS

pith:2011:BE6Y6TOSL7P4Q6YY6LOUPMHD2C

not attested not anchored not stored refs pending

Activity in galactic nuclei of cluster and field galaxies in the local universe

CfA), Changbom Park (KIAS), David Elbaz (CEA), Ho Seong Hwang (CEA, Yun-Young Choi (Kyung Hee Univ.)

arxiv:1111.1973 v1 · 2011-11-08 · 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	2026-05-18T01:59:43.626522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

093d8f4dd25fdfc87b18f2dd47b0e3d0bdf5593052a7952ebccf97d89e89b675

Aliases

arxiv: 1111.1973 · arxiv_version: 1111.1973v1 · doi: 10.48550/arxiv.1111.1973 · pith_short_12: BE6Y6TOSL7P4 · pith_short_16: BE6Y6TOSL7P4Q6YY · pith_short_8: BE6Y6TOS

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/BE6Y6TOSL7P4Q6YY6LOUPMHD2C \
  | 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: 093d8f4dd25fdfc87b18f2dd47b0e3d0bdf5593052a7952ebccf97d89e89b675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "062ac7b180ac0493e6fe4dc463f322b8079a33d23f3184e9cf1d2332734f7331",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-08T17:05:09Z",
    "title_canon_sha256": "b62bbfbf3d8914b9c33b5f514ac376f9ad2da872d569ad3d0a9b63c3d4bfb56d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1973",
    "kind": "arxiv",
    "version": 1
  }
}