Pith Number

pith:EZKDBK35

pith:2013:EZKDBK35TMJRKS67YLI2F2LIPD

not attested not anchored not stored refs pending

About possible extensions of quantum theory

Giancarlo Ghirardi, Raffaele Romano

arxiv:1301.5040 v2 · 2013-01-21 · 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{EZKDBK35TMJRKS67YLI2F2LIPD}

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	2026-05-18T03:20:09.331388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

265430ab7d9b13154bdfc2d1a2e96878ebce7288324ed74051ec9ba82927a409

Aliases

arxiv: 1301.5040 · arxiv_version: 1301.5040v2 · doi: 10.48550/arxiv.1301.5040 · pith_short_12: EZKDBK35TMJR · pith_short_16: EZKDBK35TMJRKS67 · pith_short_8: EZKDBK35

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/EZKDBK35TMJRKS67YLI2F2LIPD \
  | 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: 265430ab7d9b13154bdfc2d1a2e96878ebce7288324ed74051ec9ba82927a409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c037f255dd6f39dc8e35e9a3872076d3240d8b27d29ce91a7c98b647c2275b71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-01-21T23:50:23Z",
    "title_canon_sha256": "21068719e3319a708376317fc07a2d8f9513105499e63cdc8f366dd9f8a1fabd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5040",
    "kind": "arxiv",
    "version": 2
  }
}