Pith Number

pith:BUDL7QJZ

pith:2019:BUDL7QJZWJ3QJAQ6XT4QOHIMNR

not attested not anchored not stored refs pending

The nitrogen carrier in protoplanetary disks

Andrea Banzatti, Catherine Walsh, Colette Salyk, Geoffrey A. Blake, John H. Lacy, Klaus M. Pontoppidan, Matthew J. Richter

arxiv:1902.03647 v1 · 2019-02-10 · astro-ph.SR · 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{BUDL7QJZWJ3QJAQ6XT4QOHIMNR}

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	2026-05-17T23:49:39.224837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d06bfc139b27704821ebcf9071d0c6c6a9d8778dcad2cb5fe79dcd8998243a9

Aliases

arxiv: 1902.03647 · arxiv_version: 1902.03647v1 · doi: 10.48550/arxiv.1902.03647 · pith_short_12: BUDL7QJZWJ3Q · pith_short_16: BUDL7QJZWJ3QJAQ6 · pith_short_8: BUDL7QJZ

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/BUDL7QJZWJ3QJAQ6XT4QOHIMNR \
  | 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: 0d06bfc139b27704821ebcf9071d0c6c6a9d8778dcad2cb5fe79dcd8998243a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61a2c22f620fc1c53d63b816da2dfd16b0fa2e335e866c6f6f8081c4c1984ae3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-10T18:16:45Z",
    "title_canon_sha256": "d161dd1f01888526fd9186bfa7679978b9a83180d6f26756c0022622711e12c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03647",
    "kind": "arxiv",
    "version": 1
  }
}