Pith Number

pith:37BY2U2D

pith:2018:37BY2U2DPFV6M5PSMOK7DEOG3R

not attested not anchored not stored refs pending

Searching for the Lowest Metallicity Galaxies

J. Xavier Prochaska, Michael Bolte, Ryan J. Cooke, Tiffany Hsyu

arxiv:1807.04289 v1 · 2018-07-11 · 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{37BY2U2DPFV6M5PSMOK7DEOG3R}

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	2026-05-18T00:10:53.948567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfc38d5343796be675f26395f191c6dc5e59cda3a88094328b27d6d3b4ff5132

Aliases

arxiv: 1807.04289 · arxiv_version: 1807.04289v1 · doi: 10.48550/arxiv.1807.04289 · pith_short_12: 37BY2U2DPFV6 · pith_short_16: 37BY2U2DPFV6M5PS · pith_short_8: 37BY2U2D

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/37BY2U2DPFV6M5PSMOK7DEOG3R \
  | 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: dfc38d5343796be675f26395f191c6dc5e59cda3a88094328b27d6d3b4ff5132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4626263f626c98d0a0ce9d3b4d30e6786e48b78ddc238f3c059cb18bbc9c2e45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-11T18:00:03Z",
    "title_canon_sha256": "a84fbbba526ceb43e422ebd607b2fcb240f18debe1e12cc2850d357dff0665d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04289",
    "kind": "arxiv",
    "version": 1
  }
}