Pith Number

pith:DNA5J7XT

pith:2010:DNA5J7XTZ6BUDWEF4TFKKSLNDG

not attested not anchored not stored refs pending

The Star Cluster Population of the Collisional Ring Galaxy NGC 922

Anne Pellerin, Debra M. Elmegreen, Gerhardt R. Meurer, Kenji Bekki, O. Ivy Wong, Patricia M. Knezek

arxiv:1002.0009 v1 · 2010-01-29 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNA5J7XTZ6BUDWEF4TFKKSLNDG}

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

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	2026-05-18T02:09:21.933735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b41d4fef3cf8341d885e4caa5496d1988a4902d1dd2bafa566d99e8ac5e528b

Aliases

arxiv: 1002.0009 · arxiv_version: 1002.0009v1 · doi: 10.48550/arxiv.1002.0009 · pith_short_12: DNA5J7XTZ6BU · pith_short_16: DNA5J7XTZ6BUDWEF · pith_short_8: DNA5J7XT

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/DNA5J7XTZ6BUDWEF4TFKKSLNDG \
  | 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: 1b41d4fef3cf8341d885e4caa5496d1988a4902d1dd2bafa566d99e8ac5e528b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c1062c1f2a1e37fff8853cde88d65fea03fa29fe06e97cd307b44100ebc21a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-29T21:10:27Z",
    "title_canon_sha256": "555c0488dea859424dd42c4240465035967416c075fc270c4ff832537823147d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0009",
    "kind": "arxiv",
    "version": 1
  }
}