Pith Number

pith:XWRCPQQP

pith:2011:XWRCPQQPRUSQXF4GT5XHFYKFAT

not attested not anchored not stored refs pending

Migration then assembly: Formation of Neptune mass planets inside 1 AU

Brad M. S. Hansen (UCLA), Norm Murray (CITA)

arxiv:1105.2050 v2 · 2011-05-10 · 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{XWRCPQQPRUSQXF4GT5XHFYKFAT}

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	2026-05-18T02:02:01.651046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda227c20f8d250b97869f6e72e14504c647d2ff7239acfb397dc53c5076048c

Aliases

arxiv: 1105.2050 · arxiv_version: 1105.2050v2 · doi: 10.48550/arxiv.1105.2050 · pith_short_12: XWRCPQQPRUSQ · pith_short_16: XWRCPQQPRUSQXF4G · pith_short_8: XWRCPQQP

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/XWRCPQQPRUSQXF4GT5XHFYKFAT \
  | 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: bda227c20f8d250b97869f6e72e14504c647d2ff7239acfb397dc53c5076048c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e45a2dbbbffc6d97481a96241680f29a3d3486754a4b8a79f0f65faf02c188e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-10T20:25:45Z",
    "title_canon_sha256": "5f243e6feb43948437280720bf60aa4ba4cfd9e6d875ead8c49625ef3751ae5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2050",
    "kind": "arxiv",
    "version": 2
  }
}