Pith Number

pith:MDERJ7A3

pith:2018:MDERJ7A3TAZILXFKXJ3NETKGYR

not attested not anchored not stored refs pending

Modelling the mass-metallicity relation of star-forming galaxies from z ~ 3.5 to z ~ 0

Claudia Maraston (ICG, Daniel Thomas (ICG, Jianhui Lian (ICG, Portsmouth)

arxiv:1809.04079 v1 · 2018-09-11 · astro-ph.GA · 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{MDERJ7A3TAZILXFKXJ3NETKGYR}

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	2026-05-18T00:04:54.644599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60c914fc1b983285dcaaba76d24d46c47689a2b190b7c9e9e773b394def9928e

Aliases

arxiv: 1809.04079 · arxiv_version: 1809.04079v1 · doi: 10.48550/arxiv.1809.04079 · pith_short_12: MDERJ7A3TAZI · pith_short_16: MDERJ7A3TAZILXFK · pith_short_8: MDERJ7A3

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/MDERJ7A3TAZILXFKXJ3NETKGYR \
  | 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: 60c914fc1b983285dcaaba76d24d46c47689a2b190b7c9e9e773b394def9928e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59542110d651d290da3eb6968a7c706d6580ad5c0200b7d67b11687eff5b0db1",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-11T18:00:01Z",
    "title_canon_sha256": "fe8205926a2a41147b156abfff834867909bc3b48536400cea0b5d430b4436fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04079",
    "kind": "arxiv",
    "version": 1
  }
}