Pith Number

pith:YALWI7VH

pith:2016:YALWI7VHUGJ5IURTAEONLUVVLA

not attested not anchored not stored refs pending

On $dS_4$ extremal surfaces and entanglement entropy in some ghost CFTs

K. Narayan

arxiv:1602.06505 v3 · 2016-02-21 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YALWI7VHUGJ5IURTAEONLUVVLA}

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	2026-05-18T01:09:36.046292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c017647ea7a193d45233011cd5d2b5583fe31bfa2a29a2597cee8ce2b2aadb6a

Aliases

arxiv: 1602.06505 · arxiv_version: 1602.06505v3 · doi: 10.48550/arxiv.1602.06505 · pith_short_12: YALWI7VHUGJ5 · pith_short_16: YALWI7VHUGJ5IURT · pith_short_8: YALWI7VH

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/YALWI7VHUGJ5IURTAEONLUVVLA \
  | 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: c017647ea7a193d45233011cd5d2b5583fe31bfa2a29a2597cee8ce2b2aadb6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef4dc3be640f35ba21ebb5828bd250d1355b331836e01fed40422a1a2ebdea18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-02-21T06:46:20Z",
    "title_canon_sha256": "cb85183de0fff4a98cf65e90f978803e94aae686415f4056e9faa9ae04173f9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06505",
    "kind": "arxiv",
    "version": 3
  }
}