Pith Number

pith:YMJIQRNR

pith:2021:YMJIQRNRABGSPAVQCV2ZXKS2FF

not attested not anchored not stored refs pending

Mutual information, islands in black holes and the Page curve

Ashis Saha, Jyoti Prasad Saha, Sunandan Gangopadhyay

arxiv:2109.02996 v3 · 2021-09-07 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YMJIQRNRABGSPAVQCV2ZXKS2FF}

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.

Cited by

1 paper in Pith

Phase transition in a doubly holographic model of closed $\mathbf{dS_{2} }$ spacetime

Receipt and verification

First computed	2026-07-05T04:25:45.451461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3128845b1004d2782b015759baa5a29402dd26e9de182888267e1974d67f757

Aliases

arxiv: 2109.02996 · arxiv_version: 2109.02996v3 · doi: 10.48550/arxiv.2109.02996 · pith_short_12: YMJIQRNRABGS · pith_short_16: YMJIQRNRABGSPAVQ · pith_short_8: YMJIQRNR

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/YMJIQRNRABGSPAVQCV2ZXKS2FF \
  | 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: c3128845b1004d2782b015759baa5a29402dd26e9de182888267e1974d67f757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78ef41813dfebf51200932e24f2ac45298f6905c1d749882e574f6379a3e3bea",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-09-07T11:16:12Z",
    "title_canon_sha256": "4e339bb05164130502899df634f5d3babd968145ee384ef9c527fff80b94fb83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.02996",
    "kind": "arxiv",
    "version": 3
  }
}