Pith Number

pith:Q6SF2XJ4

pith:2018:Q6SF2XJ4FN2MQMVIAV3F75BQSE

not attested not anchored not stored refs pending

Comments on Entanglement Entropy in String Theory

Onkar Parrikar, Vijay Balasubramanian

arxiv:1801.03517 v2 · 2018-01-10 · hep-th

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.

Cited by

2 papers in Pith

Covariant phase space and the semi-classical Einstein equation

Toward a worldsheet theory of entanglement entropy

Receipt and verification

First computed	2026-05-18T00:19:21.731014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a45d5d3c2b74c832a805765ff430911bf42873c9c1fd1e752d3a3553c72ec0

Aliases

arxiv: 1801.03517 · arxiv_version: 1801.03517v2 · doi: 10.48550/arxiv.1801.03517 · pith_short_12: Q6SF2XJ4FN2M · pith_short_16: Q6SF2XJ4FN2MQMVI · pith_short_8: Q6SF2XJ4

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/Q6SF2XJ4FN2MQMVIAV3F75BQSE \
  | 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: 87a45d5d3c2b74c832a805765ff430911bf42873c9c1fd1e752d3a3553c72ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e471c93b9041ac355b8e76a5ef688859ed4f883c2517332a9775c74b780a59eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-01-10T19:06:49Z",
    "title_canon_sha256": "d5b49b36260b9ac14a90f5e5616c8680752a99e5a5042338b5b894f3da9f395e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03517",
    "kind": "arxiv",
    "version": 2
  }
}