Pith Number

pith:I6WFNIA2

pith:2013:I6WFNIA27KUVSLT545OPJKPEZY

not attested not anchored not stored refs pending

Information-Based Physics: An Observer-Centric Foundation

Kevin H. Knuth

arxiv:1310.1667 v1 · 2013-10-07 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6WFNIA27KUVSLT545OPJKPEZY}

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	2026-05-18T01:47:14.624144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ac56a01afaa9592e7de75cf4a9e4ce28161b7e954dcd9a95308c3ac8a895f9

Aliases

arxiv: 1310.1667 · arxiv_version: 1310.1667v1 · doi: 10.48550/arxiv.1310.1667 · pith_short_12: I6WFNIA27KUV · pith_short_16: I6WFNIA27KUVSLT5 · pith_short_8: I6WFNIA2

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/I6WFNIA27KUVSLT545OPJKPEZY \
  | 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: 47ac56a01afaa9592e7de75cf4a9e4ce28161b7e954dcd9a95308c3ac8a895f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bbdd07b0be4516197bb0458d6cfbaf204b172c095a61ff4acfa0ff349f3269f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-07T04:00:19Z",
    "title_canon_sha256": "630a4125483ff74fa4733eaf78e7c2ba744ff53714c4cfa241d53a618069a41b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1667",
    "kind": "arxiv",
    "version": 1
  }
}