Pith Number

pith:UTEGU3Q4

pith:2015:UTEGU3Q4VSZEN7DA6BENFPGTGE

not attested not anchored not stored refs pending

Quantum entanglement

Ivan Todorov, Ludmil Hadjiivanov

arxiv:1506.04262 v1 · 2015-06-13 · physics.hist-ph · physics.pop-ph · quant-ph

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

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	2026-05-18T01:49:55.088180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4c86a6e1cacb246fc60f048d2bcd331040336599af7cea4e11bc507bccc36d0

Aliases

arxiv: 1506.04262 · arxiv_version: 1506.04262v1 · doi: 10.48550/arxiv.1506.04262 · pith_short_12: UTEGU3Q4VSZE · pith_short_16: UTEGU3Q4VSZEN7DA · pith_short_8: UTEGU3Q4

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/UTEGU3Q4VSZEN7DA6BENFPGTGE \
  | 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: a4c86a6e1cacb246fc60f048d2bcd331040336599af7cea4e11bc507bccc36d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f062d781b196794628af057a6e023f25e97762c8af0d1e5f952e382a723e20ef",
    "cross_cats_sorted": [
      "physics.pop-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-06-13T12:36:48Z",
    "title_canon_sha256": "0c1a385875452612284803a6c204fdb730f600de4fd4e260dfc330a2be183891"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04262",
    "kind": "arxiv",
    "version": 1
  }
}