Pith Number

pith:NJ52LY6H

pith:2009:NJ52LY6HFIRDGS444F3SHC3HBN

not attested not anchored not stored refs pending

Are Dry Mergers Dry, Moist, or Wet?

Brad K. Gibson, Daisuke Kawata, Marc Balcells, Nicolas Cardiel, Patricia Sanchez-Blazquez

arxiv:0908.2548 v1 · 2009-08-18 · 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{NJ52LY6HFIRDGS444F3SHC3HBN}

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	2026-05-18T02:12:25.647675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a7ba5e3c72a22334b9ce177238b670b5fe01ccf537dc09d3c889779351d8775

Aliases

arxiv: 0908.2548 · arxiv_version: 0908.2548v1 · doi: 10.48550/arxiv.0908.2548 · pith_short_12: NJ52LY6HFIRD · pith_short_16: NJ52LY6HFIRDGS44 · pith_short_8: NJ52LY6H

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/NJ52LY6HFIRDGS444F3SHC3HBN \
  | 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: 6a7ba5e3c72a22334b9ce177238b670b5fe01ccf537dc09d3c889779351d8775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d76e70c313bc1f624d9479f5fc9be30655a82e5092301fec2081bbccab7ac2b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-18T11:52:45Z",
    "title_canon_sha256": "b55feb6d50e758047a2fde20f77a84a730e6c99174412409c315c48267151b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2548",
    "kind": "arxiv",
    "version": 1
  }
}