Pith Number

pith:C6IA2PM7

pith:2019:C6IA2PM73ZEOCI2YW7NCVSPK34

not attested not anchored not stored refs pending

Upper limits on protolunar disc masses using ALMA observations of directly-imaged exoplanets

Alice Zurlo, Christian Flores, Cl\'ement Baruteau, Gael Chauvin, Sebasti\'an Marino, Sebasti\'an P\'erez, Simon Casassus

arxiv:1906.11774 v1 · 2019-06-27 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6IA2PM73ZEOCI2YW7NCVSPK34}

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	2026-05-17T23:40:29.921636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17900d3d9fde48e12358b7da2ac9eadf0f6afbf503b2a3526fe0cd1d311c7b2a

Aliases

arxiv: 1906.11774 · arxiv_version: 1906.11774v1 · doi: 10.48550/arxiv.1906.11774 · pith_short_12: C6IA2PM73ZEO · pith_short_16: C6IA2PM73ZEOCI2Y · pith_short_8: C6IA2PM7

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/C6IA2PM73ZEOCI2YW7NCVSPK34 \
  | 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: 17900d3d9fde48e12358b7da2ac9eadf0f6afbf503b2a3526fe0cd1d311c7b2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6abd867fef4628b160b089c26db69aad61ccf739987c98a5d3e28b1754ce1c8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-27T16:24:54Z",
    "title_canon_sha256": "6d526cadb2faba13bc5f12f92ffbb60471a3d5431298d3a67aca906590f368bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11774",
    "kind": "arxiv",
    "version": 1
  }
}