Pith Number

pith:5INW2IP5

pith:2007:5INW2IP5SMITCSHGFXTAAGBQP4

not attested not anchored not stored refs pending

Circumnuclear Star Clusters in the Galaxy Merger NGC 6240, Observed with Keck Adaptive Optics and HST

C. E. Max, G. Schneider, L. K. Pollack

arxiv:astro-ph/0701514 v1 · 2007-01-17 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5INW2IP5SMITCSHGFXTAAGBQP4}

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	2026-05-18T04:29:07.147822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea1b6d21fd93113148e62de60018307f1a579073440e50136a05efa3a2340989

Aliases

arxiv: astro-ph/0701514 · arxiv_version: astro-ph/0701514v1 · doi: 10.48550/arxiv.astro-ph/0701514 · pith_short_12: 5INW2IP5SMIT · pith_short_16: 5INW2IP5SMITCSHG · pith_short_8: 5INW2IP5

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/5INW2IP5SMITCSHGFXTAAGBQP4 \
  | 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: ea1b6d21fd93113148e62de60018307f1a579073440e50136a05efa3a2340989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "829acfc6077a6d7ab0f52633377f7eebd9cf83009e82ae9d087108ee716b92e2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-17T23:34:25Z",
    "title_canon_sha256": "01f5e2c4e3755bbcc05521758b50ec8812acec43f6e9753e7b9060eeb98445a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701514",
    "kind": "arxiv",
    "version": 1
  }
}