Pith Number

pith:HNXZ6BPS

pith:2007:HNXZ6BPSPS435RWFBPZSQEUD3M

not attested not anchored not stored refs pending

Galaxy morphologies and environment in the Abell 901/902 supercluster from COMBO-17

A. Aragon-Salamanca, C. Wolf, K. Meisenheimer, K. P. Lane, M. E. Gray

arxiv:0704.0774 v1 · 2007-04-05 · 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{HNXZ6BPSPS435RWFBPZSQEUD3M}

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	2026-07-04T15:44:56.762577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6f9f05f27cb9bec6c50bf3281283db002e9b786a32f6317c8fb221bce7906c

Aliases

arxiv: 0704.0774 · arxiv_version: 0704.0774v1 · doi: 10.48550/arxiv.0704.0774 · pith_short_12: HNXZ6BPSPS43 · pith_short_16: HNXZ6BPSPS435RWF · pith_short_8: HNXZ6BPS

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/HNXZ6BPSPS435RWFBPZSQEUD3M \
  | 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: 3b6f9f05f27cb9bec6c50bf3281283db002e9b786a32f6317c8fb221bce7906c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "517a0f5116efd0af8e91d38ede60eecb12046eb12e6f1bb0ce309b60be4601c9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-05T19:54:43Z",
    "title_canon_sha256": "8785287c6b2893d670d5fa18559d4e040a87bb4d6bcf4b1f906e08ddf2028b95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0774",
    "kind": "arxiv",
    "version": 1
  }
}