Pith Number

pith:VO44WLCJ

pith:2015:VO44WLCJFP546NBG4BKG4KWNEK

not attested not anchored not stored refs pending

How to form planetesimals from mm-sized chondrules and chondrule aggregates

Anders Johansen, Daniel Carrera, Melvyn B. Davies

arxiv:1501.05314 v3 · 2015-01-21 · 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{VO44WLCJFP546NBG4BKG4KWNEK}

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	2026-05-18T01:40:59.146907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abb9cb2c492bfbcf3426e0546e2acd229772953b86f051383aea16d91eac1d77

Aliases

arxiv: 1501.05314 · arxiv_version: 1501.05314v3 · doi: 10.48550/arxiv.1501.05314 · pith_short_12: VO44WLCJFP54 · pith_short_16: VO44WLCJFP546NBG · pith_short_8: VO44WLCJ

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/VO44WLCJFP546NBG4BKG4KWNEK \
  | 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: abb9cb2c492bfbcf3426e0546e2acd229772953b86f051383aea16d91eac1d77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18f1ba05b48f86f989c58d94c373387ab5bbcd28c5215f14f6ae3fa661643c48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-01-21T21:00:15Z",
    "title_canon_sha256": "5907ad9c11b52d85a19462154c0e380863f85f766af1a256c3774f50db0e6dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05314",
    "kind": "arxiv",
    "version": 3
  }
}