Pith Number

pith:AB7FERCJ

pith:2019:AB7FERCJOOJR5KNPZNGZTUZLLF

not attested not anchored not stored refs pending

The evolution and dependence of the local mass-metallicity relation

Wei Zhang, Yong-Heng Zhao, Yu-Zhong Wu

arxiv:1904.11651 v1 · 2019-04-26 · 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{AB7FERCJOOJR5KNPZNGZTUZLLF}

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	2026-05-17T23:46:46.860889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

007e52444973931ea9afcb4d99d32b59597dc204a5385937c67a974fa9613f64

Aliases

arxiv: 1904.11651 · arxiv_version: 1904.11651v1 · doi: 10.48550/arxiv.1904.11651 · pith_short_12: AB7FERCJOOJR · pith_short_16: AB7FERCJOOJR5KNP · pith_short_8: AB7FERCJ

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/AB7FERCJOOJR5KNPZNGZTUZLLF \
  | 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: 007e52444973931ea9afcb4d99d32b59597dc204a5385937c67a974fa9613f64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a82438b55d4c9765d079425e75a92c8e2caaaf6b2288636b36bdae58085a905d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-26T02:28:46Z",
    "title_canon_sha256": "a9ea5a9b3989bd4810f4739822b25515e2001dd477ce46268548f455f2d2ede3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11651",
    "kind": "arxiv",
    "version": 1
  }
}