Pith Number

pith:3KCOPMNC

pith:2016:3KCOPMNCZ2MG6UXTRWZVFSVZJP

not attested not anchored not stored refs pending

The way forward

Artie Hatzes, Malcolm Fridlund, Ren\'e Liseau

arxiv:1603.08238 v1 · 2016-03-27 · 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{3KCOPMNCZ2MG6UXTRWZVFSVZJP}

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	2026-05-18T01:13:11.369679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da84e7b1a2ce986f52f38db352cab94bd58ec74a872943ae08e08ed36927973f

Aliases

arxiv: 1603.08238 · arxiv_version: 1603.08238v1 · doi: 10.48550/arxiv.1603.08238 · pith_short_12: 3KCOPMNCZ2MG · pith_short_16: 3KCOPMNCZ2MG6UXT · pith_short_8: 3KCOPMNC

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/3KCOPMNCZ2MG6UXTRWZVFSVZJP \
  | 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: da84e7b1a2ce986f52f38db352cab94bd58ec74a872943ae08e08ed36927973f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd7f810d278e39ced2a57d07ad7e60ccc32abae4eeadcc22d87224fbd7421d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-03-27T17:33:01Z",
    "title_canon_sha256": "256e584bb887481dbdeed989fd34baed4484a02acaf2864eb64e9f555d8faef2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08238",
    "kind": "arxiv",
    "version": 1
  }
}