Pith Number

pith:W7CSUZ5Y

pith:2023:W7CSUZ5Y5NKIAVHHOSSIILOWBJ

not attested not anchored not stored refs pending

Accretion of aerodynamically large pebbles

Chris W. Ormel, Helong Huang

arxiv:2304.02044 v1 · 2023-04-04 · 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{W7CSUZ5Y5NKIAVHHOSSIILOWBJ}

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	2026-07-05T05:59:49.966902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c52a67b8eb548054e774a4842dd60a58f6929b8ba22338b1e4b648c3c6848e

Aliases

arxiv: 2304.02044 · arxiv_version: 2304.02044v1 · doi: 10.48550/arxiv.2304.02044 · pith_short_12: W7CSUZ5Y5NKI · pith_short_16: W7CSUZ5Y5NKIAVHH · pith_short_8: W7CSUZ5Y

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/W7CSUZ5Y5NKIAVHHOSSIILOWBJ \
  | 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: b7c52a67b8eb548054e774a4842dd60a58f6929b8ba22338b1e4b648c3c6848e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "840b5b060a0075491abcd8c90a062fde89eb762bc5daf23f8df0a58892ca9a83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-04-04T18:01:27Z",
    "title_canon_sha256": "7fe92161fde54eabc11fc44fd0b5413090d1a7b2c3a7979c2aa25df9ff1f0c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.02044",
    "kind": "arxiv",
    "version": 1
  }
}