Pith Number

pith:EMDDWOED

pith:2012:EMDDWOEDG4WNJNDTUCXZOUDE3X

not attested not anchored not stored refs pending

ALFALFA HI Data Stacking III. Comparison of environmental trends in HI gas mass fraction and specific star formation rate

Barbara Catinella, Cheng Li, Guinevere Kauffmann, Martha P. Haynes, Riccardo Giovanelli, Silvia Fabello

arxiv:1209.2003 v1 · 2012-09-10 · 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{EMDDWOEDG4WNJNDTUCXZOUDE3X}

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	2026-05-18T01:54:37.644351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23063b3883372cd4b473a0af975064ddeb010e3f8dff83b232a0949ef822c466

Aliases

arxiv: 1209.2003 · arxiv_version: 1209.2003v1 · doi: 10.48550/arxiv.1209.2003 · pith_short_12: EMDDWOEDG4WN · pith_short_16: EMDDWOEDG4WNJNDT · pith_short_8: EMDDWOED

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/EMDDWOEDG4WNJNDTUCXZOUDE3X \
  | 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: 23063b3883372cd4b473a0af975064ddeb010e3f8dff83b232a0949ef822c466

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "997e4d59045a0c90aa6a7bcd7a38bd3f77b2ba7c3f1446736c23ada241363317",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-10T14:13:27Z",
    "title_canon_sha256": "10a24b3b86197f80ded62b07344e3dd9f53939412b0917cb7d62e07803bafed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2003",
    "kind": "arxiv",
    "version": 1
  }
}