Pith Number

pith:FC5S227C

pith:2018:FC5S227CQMBADSYH46OG5CJLUI

not attested not anchored not stored refs pending

Science with an ngVLA: Observing the Effects of Chemistry on Exoplanets and Planet Formation

Andrew M. Burkhardt, Anthony J. Remijan, Brett A. McGuire, Christopher N. Shingledecker, Edwin Bergin, Eric R. Willis, Geoffrey A. Blake, L. Ilsedore Cleeves, Ryan A. Loomis

arxiv:1810.09550 v1 · 2018-10-15 · astro-ph.EP · 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{FC5S227CQMBADSYH46OG5CJLUI}

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	2026-05-18T00:02:39.255648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28bb2d6be2830201cb07e79c6e892ba20f428fb370fbc57b256d60e2c9e2c9fa

Aliases

arxiv: 1810.09550 · arxiv_version: 1810.09550v1 · doi: 10.48550/arxiv.1810.09550 · pith_short_12: FC5S227CQMBA · pith_short_16: FC5S227CQMBADSYH · pith_short_8: FC5S227C

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/FC5S227CQMBADSYH46OG5CJLUI \
  | 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: 28bb2d6be2830201cb07e79c6e892ba20f428fb370fbc57b256d60e2c9e2c9fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa9b7f2d13c8ded2e4700f31f72aaf9f661dc3b209b7555bd26b8c12e1ec6165",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-10-15T18:02:54Z",
    "title_canon_sha256": "366a2ed1d4cf2720eac062008bca1d2e9d89a0ad322e436e104bb9018ac02ae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09550",
    "kind": "arxiv",
    "version": 1
  }
}