Pith Number

pith:UCKHICGM

pith:2014:UCKHICGMWYMS4PSZQYMZLA2XSO

not attested not anchored not stored refs pending

Quantum Darwinism and Computability Theory

Subhash Kak

arxiv:1410.6525 v1 · 2014-10-23 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCKHICGMWYMS4PSZQYMZLA2XSO}

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	2026-05-18T02:39:25.068464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0947408ccb6192e3e59861995835793bb0b24d8746340155f2424d1f6824a37

Aliases

arxiv: 1410.6525 · arxiv_version: 1410.6525v1 · doi: 10.48550/arxiv.1410.6525 · pith_short_12: UCKHICGMWYMS · pith_short_16: UCKHICGMWYMS4PSZ · pith_short_8: UCKHICGM

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/UCKHICGMWYMS4PSZQYMZLA2XSO \
  | 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: a0947408ccb6192e3e59861995835793bb0b24d8746340155f2424d1f6824a37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4414fd176b4b70684caabaeb17982a995b4af084abbbede50ad6100364f5d09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-10-23T23:22:55Z",
    "title_canon_sha256": "f112ffc853c01f08f94c12260da29ff541b42eeda6b59d874d96aae82c0f4c29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6525",
    "kind": "arxiv",
    "version": 1
  }
}