Pith Number

pith:G5X545NB

pith:2018:G5X545NBCGI47JDCKZC2DU2VCW

not attested not anchored not stored refs pending

Cold Exponential Disks From Interstellar Fountains

Bruce G. Elmegreen (IBM Watson Research Center), Curtis Struck (Iowa State)

arxiv:1810.12939 v1 · 2018-10-30 · 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{G5X545NBCGI47JDCKZC2DU2VCW}

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	2026-05-17T23:59:48.747913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

376fde75a11191cfa4625645a1d35515a0163c730fb0d3f0fea89b5170f0111b

Aliases

arxiv: 1810.12939 · arxiv_version: 1810.12939v1 · doi: 10.48550/arxiv.1810.12939 · pith_short_12: G5X545NBCGI4 · pith_short_16: G5X545NBCGI47JDC · pith_short_8: G5X545NB

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/G5X545NBCGI47JDCKZC2DU2VCW \
  | 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: 376fde75a11191cfa4625645a1d35515a0163c730fb0d3f0fea89b5170f0111b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7391192ebba0aa935530d2e3f7a083fef8bf7cc347e093007299a8cf90da60dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-30T18:05:27Z",
    "title_canon_sha256": "0f07c7e33721d4325f60d597c266fd63b57f62d5888b9b848475f85062764e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12939",
    "kind": "arxiv",
    "version": 1
  }
}