Pith Number

pith:WG4JT45J

pith:2016:WG4JT45JTEWIHJN3QOCVZKOLBS

not attested not anchored not stored refs pending

A reproducible method to determine the meteoroid mass index

Peter G. Brown, Petr Pokorny

arxiv:1605.04437 v1 · 2016-05-14 · 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{WG4JT45JTEWIHJN3QOCVZKOLBS}

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	2026-05-18T01:07:16.475785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1b899f3a9992c83a5bb83855ca9cb0cb68901ab42daec3eef735df454a93abf

Aliases

arxiv: 1605.04437 · arxiv_version: 1605.04437v1 · doi: 10.48550/arxiv.1605.04437 · pith_short_12: WG4JT45JTEWI · pith_short_16: WG4JT45JTEWIHJN3 · pith_short_8: WG4JT45J

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/WG4JT45JTEWIHJN3QOCVZKOLBS \
  | 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: b1b899f3a9992c83a5bb83855ca9cb0cb68901ab42daec3eef735df454a93abf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5be8082fc939ae8497b96f346495bd3a0b13768aac6a869e215ccc7216451719",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-05-14T17:08:03Z",
    "title_canon_sha256": "5a837008819e3de23adcf1843441dffc010a3cf5f7fd5830d6d2e5b8b8238543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04437",
    "kind": "arxiv",
    "version": 1
  }
}