Pith Number

pith:K7IIUZXF

pith:2019:K7IIUZXFMBNA3Q7OKAIHNZHUJJ

not attested not anchored not stored refs pending

Signature of Quantum Entanglement in NH4CuPO4.H2O

Chiranjib Mitra, Harkirat Singh, Tanmoy Chakraborty

arxiv:1906.02769 v1 · 2019-06-06 · cond-mat.str-el · physics.app-ph · 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{K7IIUZXFMBNA3Q7OKAIHNZHUJJ}

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	2026-05-17T23:43:57.588329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d08a66e5605a0dc3ee501076e4f44a4d5e19b3b5526db80934b2050b549cee

Aliases

arxiv: 1906.02769 · arxiv_version: 1906.02769v1 · doi: 10.48550/arxiv.1906.02769 · pith_short_12: K7IIUZXFMBNA · pith_short_16: K7IIUZXFMBNA3Q7O · pith_short_8: K7IIUZXF

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/K7IIUZXFMBNA3Q7OKAIHNZHUJJ \
  | 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: 57d08a66e5605a0dc3ee501076e4f44a4d5e19b3b5526db80934b2050b549cee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a68a3d096f737a0d9d1f4d4d741eac46aea9ecf61dbb494b96c55916197e011c",
    "cross_cats_sorted": [
      "physics.app-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-06-06T18:39:48Z",
    "title_canon_sha256": "00a824c54b023e9c327a5f1ad9c6f251a15f2cfa26dc8c8cf21511d591440825"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02769",
    "kind": "arxiv",
    "version": 1
  }
}