Pith Number

pith:SVRX25YG

pith:2012:SVRX25YG2RUNKHLPT5MNCIBXMZ

not attested not anchored not stored refs pending

The Mass-Metallicity Relation with the Direct Method on Stacked Spectra of SDSS Galaxies

Brett H. Andrews, Paul Martini

arxiv:1211.3418 v2 · 2012-11-14 · 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{SVRX25YG2RUNKHLPT5MNCIBXMZ}

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	2026-05-18T01:53:11.141527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95637d7706d468d51d6f9f58d120376644e5b23f305c4b05483e8375ba41cad3

Aliases

arxiv: 1211.3418 · arxiv_version: 1211.3418v2 · doi: 10.48550/arxiv.1211.3418 · pith_short_12: SVRX25YG2RUN · pith_short_16: SVRX25YG2RUNKHLP · pith_short_8: SVRX25YG

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/SVRX25YG2RUNKHLPT5MNCIBXMZ \
  | 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: 95637d7706d468d51d6f9f58d120376644e5b23f305c4b05483e8375ba41cad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cbb2355334085760c5f430d9e80f3a03da05bb83a7154d1781f0b7a6293eed6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-14T21:00:01Z",
    "title_canon_sha256": "418735788dd5259d21ad56ba48c505b5349353561bf667048c7f2c00c2d81fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3418",
    "kind": "arxiv",
    "version": 2
  }
}