Pith Number

pith:SPWPH6PL

pith:2010:SPWPH6PLS2JEEDOWVU4MNSADZW

not attested not anchored not stored refs pending

On the oxygen and nitrogen chemical abundances and the evolution of the "green pea" galaxies

E. P\'erez-Montero, J.M. V\'ilchez (IAA-CSIC), Ricardo O. Amor\'in

arxiv:1004.4910 v2 · 2010-04-27 · 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{SPWPH6PLS2JEEDOWVU4MNSADZW}

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	2026-05-18T02:07:45.757509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93ecf3f9eb9692420dd6ad38c6c803cd8a5bf82cc074a8b423138dc228ea6334

Aliases

arxiv: 1004.4910 · arxiv_version: 1004.4910v2 · doi: 10.48550/arxiv.1004.4910 · pith_short_12: SPWPH6PLS2JE · pith_short_16: SPWPH6PLS2JEEDOW · pith_short_8: SPWPH6PL

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/SPWPH6PLS2JEEDOWVU4MNSADZW \
  | 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: 93ecf3f9eb9692420dd6ad38c6c803cd8a5bf82cc074a8b423138dc228ea6334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ea6fb26db382243c978a03d890d21ffa1c1342d601820a724a33a2c1c7ea9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-27T20:29:22Z",
    "title_canon_sha256": "833aa7f71c8c5cf95aecbeb1e69e10f70767a45badb75624eca710d45a832c3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4910",
    "kind": "arxiv",
    "version": 2
  }
}