Pith Number

pith:B4SMTNFF

pith:2019:B4SMTNFFHL7QQOAUBZTSMGUKC4

not attested not anchored not stored refs pending

High Precision Dynamical Masses of Pre-Main Sequence Stars with ALMA and Gaia

John Tobin, Josh A. Eisner, Patrick D. Sheehan, Ya-Lin Wu

arxiv:1903.00032 v1 · 2019-02-28 · 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{B4SMTNFFHL7QQOAUBZTSMGUKC4}

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	2026-05-17T23:49:01.750488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f24c9b4a53aff0838140e67261a8a1723a691a25555fd6b207eb4500e032fff

Aliases

arxiv: 1903.00032 · arxiv_version: 1903.00032v1 · doi: 10.48550/arxiv.1903.00032 · pith_short_12: B4SMTNFFHL7Q · pith_short_16: B4SMTNFFHL7QQOAU · pith_short_8: B4SMTNFF

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/B4SMTNFFHL7QQOAUBZTSMGUKC4 \
  | 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: 0f24c9b4a53aff0838140e67261a8a1723a691a25555fd6b207eb4500e032fff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d36fd723e822cf4ca8e90a1e8942cae9cf544e648de8998887714537766d171",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-28T19:12:50Z",
    "title_canon_sha256": "d42341112c0d7bd7600f5ccc99c43384d7173342622b5d4997faa10b02b96655"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00032",
    "kind": "arxiv",
    "version": 1
  }
}