Pith Number

pith:DBMYY2HM

pith:2009:DBMYY2HM6CCVKJQLQWHDBYCT3B

not attested not anchored not stored refs pending

On the Interstellar Medium and Star Formation Demographics of Galaxies in the Local Universe

J. C. Lee (2) ((1) Institute of Astronomy; (2) Carnegie Observatories), M. S. Bothwell (1), R. C. Kennicutt (1)

arxiv:0908.1122 v1 · 2009-08-07 · 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{DBMYY2HM6CCVKJQLQWHDBYCT3B}

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	2026-05-18T02:12:36.478621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18598c68ecf08555260b858e30e053d85210c2655d0970e0d2461a2aba637762

Aliases

arxiv: 0908.1122 · arxiv_version: 0908.1122v1 · doi: 10.48550/arxiv.0908.1122 · pith_short_12: DBMYY2HM6CCV · pith_short_16: DBMYY2HM6CCVKJQL · pith_short_8: DBMYY2HM

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/DBMYY2HM6CCVKJQLQWHDBYCT3B \
  | 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: 18598c68ecf08555260b858e30e053d85210c2655d0970e0d2461a2aba637762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fd8d0afd9622578cdb41d3b40ba4e94d44ccefce95bbc3d111d2d50ffc6ef8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-07T20:17:36Z",
    "title_canon_sha256": "c2434a59bfbab4c1622fffd3988ec76699e88b1dfee7757d8701c92080948c80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1122",
    "kind": "arxiv",
    "version": 1
  }
}