Pith Number

pith:NO4VWHV6

pith:2014:NO4VWHV6JRTK3YGSF64BHDRVQ7

not attested not anchored not stored refs pending

Metal-poor dwarf galaxies in the SIGRID galaxy sample. II. The electron temperature-abundance calibration and the parameters that affect it

David C. Nicholls, Hassan Basurah, Helmut Jerjen, Lisa J. Kewley, Michael A. Dopita, Ralph S. Sutherland

arxiv:1405.7170 v1 · 2014-05-28 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NO4VWHV6JRTK3YGSF64BHDRVQ7}

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	2026-05-18T01:43:05.459336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bb95b1ebe4c66ade0d22fb8138e3587f91be72adbc9554ead3b0ba1be911e84

Aliases

arxiv: 1405.7170 · arxiv_version: 1405.7170v1 · doi: 10.48550/arxiv.1405.7170 · pith_short_12: NO4VWHV6JRTK · pith_short_16: NO4VWHV6JRTK3YGS · pith_short_8: NO4VWHV6

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/NO4VWHV6JRTK3YGSF64BHDRVQ7 \
  | 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: 6bb95b1ebe4c66ade0d22fb8138e3587f91be72adbc9554ead3b0ba1be911e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38ad6162866de2de140e958abf4197978257e1852b8a2912f6dc564f42f903e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-28T09:18:19Z",
    "title_canon_sha256": "ebf73081a3707af00476930ffafde889c694117c521a66635bdb9ed917c9a6f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7170",
    "kind": "arxiv",
    "version": 1
  }
}