Pith Number

pith:IDQMKEXV

pith:2013:IDQMKEXVM67MHJIRQWJOHII5OO

not attested not anchored not stored refs pending

On the Importance of Conceptual Thinking Outside the Simulation Box

Abraham Loeb (Harvard)

arxiv:1305.5495 v2 · 2013-05-23 · physics.hist-ph · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDQMKEXVM67MHJIRQWJOHII5OO}

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	2026-05-18T03:20:58.131982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40e0c512f567bec3a5118592e3a11d73b12d83c574a9f4b3796f4bfa6ea66263

Aliases

arxiv: 1305.5495 · arxiv_version: 1305.5495v2 · doi: 10.48550/arxiv.1305.5495 · pith_short_12: IDQMKEXVM67M · pith_short_16: IDQMKEXVM67MHJIR · pith_short_8: IDQMKEXV

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/IDQMKEXVM67MHJIRQWJOHII5OO \
  | 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: 40e0c512f567bec3a5118592e3a11d73b12d83c574a9f4b3796f4bfa6ea66263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aab22010c98b00b8729ea48dcf45973cf9c7f5e826bc7640c0321c9ccdf87bb9",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-05-23T19:46:57Z",
    "title_canon_sha256": "57f574426916de3af22ea399707a100a13540ca81434d795272cd5a073688388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5495",
    "kind": "arxiv",
    "version": 2
  }
}