Pith Number

pith:OGH2DHGX

pith:2018:OGH2DHGXE7UWAKL3CLH6MS6DAV

not attested not anchored not stored refs pending

Entanglement Entropy from Numerical Holography

Christian Ecker

arxiv:1809.05529 v2 · 2018-09-11 · 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{OGH2DHGXE7UWAKL3CLH6MS6DAV}

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	2026-05-18T00:04:19.971069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

718fa19cd727e960297b12cfe64bc3056cc688ce9a85fd875f6ad09dc21139a5

Aliases

arxiv: 1809.05529 · arxiv_version: 1809.05529v2 · doi: 10.48550/arxiv.1809.05529 · pith_short_12: OGH2DHGXE7UW · pith_short_16: OGH2DHGXE7UWAKL3 · pith_short_8: OGH2DHGX

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/OGH2DHGXE7UWAKL3CLH6MS6DAV \
  | 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: 718fa19cd727e960297b12cfe64bc3056cc688ce9a85fd875f6ad09dc21139a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e0911604c60b94d84be0f475e8b4203382b9391ed05f702decb9fc0940cdedf",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-09-11T11:50:27Z",
    "title_canon_sha256": "7b96ed79975d5438ccb54c560e0dc262df41d82adb49030f272556ac15bfe9a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05529",
    "kind": "arxiv",
    "version": 2
  }
}