Pith Number

pith:NJ64DQPI

pith:2024:NJ64DQPIRMR6XU6SHCRXHEOQAF

not attested not anchored not stored refs pending

Does Metallicity affect Protoplanetary Disk Fraction? Answers from the Outer Milky Way

Jessy Jose, Neal J. Evans II, Sudeshna Patra

arxiv:2405.04849 v1 · 2024-05-08 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJ64DQPIRMR6XU6SHCRXHEOQAF}

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	2026-07-05T08:16:55.050250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a7dc1c1e88b23ebd3d238a37391d001528d7bee708117f5527b5ef4f548c1de

Aliases

arxiv: 2405.04849 · arxiv_version: 2405.04849v1 · doi: 10.48550/arxiv.2405.04849 · pith_short_12: NJ64DQPIRMR6 · pith_short_16: NJ64DQPIRMR6XU6S · pith_short_8: NJ64DQPI

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/NJ64DQPIRMR6XU6SHCRXHEOQAF \
  | 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: 6a7dc1c1e88b23ebd3d238a37391d001528d7bee708117f5527b5ef4f548c1de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6969473e26a2f399d66d2429c05e58319342d5d1eb661cd3192ace5e343ca2e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-05-08T06:53:17Z",
    "title_canon_sha256": "b90735caa40900dc5eecf35043d314144d1f68fef890b95ea21e9ef25763852a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.04849",
    "kind": "arxiv",
    "version": 1
  }
}