Pith Number

pith:PRWFAB2B

pith:2011:PRWFAB2BITQXFA7YYGEFWH65PN

not attested not anchored not stored refs pending

The Massive Star Clusters in the Dwarf Merger ESO 185-IG13: is the Red Excess Ubiquitous in Starbursts?

Angela Adamo, Erik Zackrisson, Goeran Ostlin, Matthew Hayes

arxiv:1101.1968 v1 · 2011-01-10 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRWFAB2BITQXFA7YYGEFWH65PN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T02:03:43.285813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c6c50074144e17283f8c1885b1fdd7b6596359fd136c27606f08b3c3b5fdd75

Aliases

arxiv: 1101.1968 · arxiv_version: 1101.1968v1 · doi: 10.48550/arxiv.1101.1968 · pith_short_12: PRWFAB2BITQX · pith_short_16: PRWFAB2BITQXFA7Y · pith_short_8: PRWFAB2B

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/PRWFAB2BITQXFA7YYGEFWH65PN \
  | 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: 7c6c50074144e17283f8c1885b1fdd7b6596359fd136c27606f08b3c3b5fdd75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b2afc6fc11217e45c1690897d16896ead2b0eb68e9f9f9d0d4976d8ac4cb25a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-10T21:05:46Z",
    "title_canon_sha256": "51fbd0aa31f89e84d75a16e5c7acd9581ace557a61e676b6500b84d1e39fd4fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1968",
    "kind": "arxiv",
    "version": 1
  }
}