Pith Number

pith:4NQLEZ7M

pith:2018:4NQLEZ7MVBFZDOM4KZ2DQEX7PP

not attested not anchored not stored refs pending

Detecting metal-poor gas accretion in the star-forming dwarf galaxies UM 461 and Mrk 600

A. Humphrey, A. Nigoche-Netro, P. Lagos, P. Papaderos, R. Demarco, T. C. Scott

arxiv:1803.00537 v1 · 2018-03-01 · 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{4NQLEZ7MVBFZDOM4KZ2DQEX7PP}

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	2026-05-18T00:20:01.843108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e360b267eca84b91b99c56743812ff7bc5cb35776b5717d415e6326948e57744

Aliases

arxiv: 1803.00537 · arxiv_version: 1803.00537v1 · doi: 10.48550/arxiv.1803.00537 · pith_short_12: 4NQLEZ7MVBFZ · pith_short_16: 4NQLEZ7MVBFZDOM4 · pith_short_8: 4NQLEZ7M

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/4NQLEZ7MVBFZDOM4KZ2DQEX7PP \
  | 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: e360b267eca84b91b99c56743812ff7bc5cb35776b5717d415e6326948e57744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f1ecb260b86074f587f77df9f0af187ab9c3ba3ca6a07a28b6c362a2b4cc2f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-01T18:09:33Z",
    "title_canon_sha256": "d263e055ff4925cf401a5e52c532051fee6d0f4b0a4fff0d90deebe59c7a67ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00537",
    "kind": "arxiv",
    "version": 1
  }
}