Pith Number

pith:2YHUB3W4

pith:2019:2YHUB3W4WD5VWSTK3DZGTPUHWG

not attested not anchored not stored refs pending

Pebble-driven planet formation for TRAPPIST-1 and other compact systems

Beibei Liu, Caroline Dorn, Chris W. Ormel, Djoeke Schoonenberg

arxiv:1906.00669 v2 · 2019-06-03 · 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{2YHUB3W4WD5VWSTK3DZGTPUHWG}

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	2026-05-17T23:40:31.573141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d60f40eedcb0fb5b4a6ad8f269be87b19902443f6a0b103d5a5e1f4cb570049d

Aliases

arxiv: 1906.00669 · arxiv_version: 1906.00669v2 · doi: 10.48550/arxiv.1906.00669 · pith_short_12: 2YHUB3W4WD5V · pith_short_16: 2YHUB3W4WD5VWSTK · pith_short_8: 2YHUB3W4

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/2YHUB3W4WD5VWSTK3DZGTPUHWG \
  | 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: d60f40eedcb0fb5b4a6ad8f269be87b19902443f6a0b103d5a5e1f4cb570049d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de63c05457f904ecc8508e49bc06f5104a2226ac7f1f46fa7e233a966b636c95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-03T09:48:24Z",
    "title_canon_sha256": "9eb00aad4774af98994495622935e4ecaee38fb26a46ac907133b6a6a2c99278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00669",
    "kind": "arxiv",
    "version": 2
  }
}