Pith Number

pith:2NAELWMV

pith:2021:2NAELWMV25HJ3EROIJFCTZS7IB

not attested not anchored not stored refs pending

Fragmentation model and strewn field estimation for meteoroids entry

Camilla Colombo, Mirko Trisolini, Simone Limonta, Stefan Frey

arxiv:2105.14776 v1 · 2021-05-31 · astro-ph.EP · astro-ph.IM · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NAELWMV25HJ3EROIJFCTZS7IB}

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	2026-07-05T02:44:41.254342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34045d995d74e9d922e424a29e65f4067d535e402ecfd0dc598fe59e15c5109

Aliases

arxiv: 2105.14776 · arxiv_version: 2105.14776v1 · doi: 10.48550/arxiv.2105.14776 · pith_short_12: 2NAELWMV25HJ · pith_short_16: 2NAELWMV25HJ3ERO · pith_short_8: 2NAELWMV

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/2NAELWMV25HJ3EROIJFCTZS7IB \
  | 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: d34045d995d74e9d922e424a29e65f4067d535e402ecfd0dc598fe59e15c5109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da157bc79b1ab9af77f53c4114189adbd1febab726790b90a1405cc2b3643f2e",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-05-31T08:17:04Z",
    "title_canon_sha256": "52538e6aebf6947ed8c0a22d978bbeb65e796e60a96d90015a29ce53f39041ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14776",
    "kind": "arxiv",
    "version": 1
  }
}