Pith Number

pith:O6EZQIVG

pith:2018:O6EZQIVGHPWS6UQ4VECI6YGXRB

not attested not anchored not stored refs pending

Experimental Tests of Spirituality

Abraham Loeb (Harvard)

arxiv:1806.01661 v1 · 2018-06-04 · physics.pop-ph · astro-ph.IM · cs.AI · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6EZQIVGHPWS6UQ4VECI6YGXRB}

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	2026-05-18T00:14:03.609462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77899822a63bed2f521ca9048f60d7886fdf26775ca0ab096e1c462967a25fd5

Aliases

arxiv: 1806.01661 · arxiv_version: 1806.01661v1 · doi: 10.48550/arxiv.1806.01661 · pith_short_12: O6EZQIVGHPWS · pith_short_16: O6EZQIVGHPWS6UQ4 · pith_short_8: O6EZQIVG

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/O6EZQIVGHPWS6UQ4VECI6YGXRB \
  | 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: 77899822a63bed2f521ca9048f60d7886fdf26775ca0ab096e1c462967a25fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "963af377cb6a24fafe287e72b1df544aaedb0a3fe48b2328bf65cf49f1f3397e",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.AI",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2018-06-04T16:28:21Z",
    "title_canon_sha256": "34ac826620b3dbdfe19e60e0168f638a3129c2a6d5e12d2b3aa003b65d1a4f44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01661",
    "kind": "arxiv",
    "version": 1
  }
}