Pith Number

pith:HUVPS4AI

pith:2015:HUVPS4AIHRNP7CCICE4IZVPQ6W

not attested not anchored not stored refs pending

Canonical Energy is Quantum Fisher Information

Mark Van Raamsdonk, Nima Lashkari

arxiv:1508.00897 v2 · 2015-08-04 · hep-th · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUVPS4AIHRNP7CCICE4IZVPQ6W}

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

3 papers in Pith

Covariant phase space and the semi-classical Einstein equation

Modular Witten Diagrams and Quantum Extremality

Covariant phase space approach to noncommutativity in tensile and tensionless open strings

Receipt and verification

First computed	2026-05-18T01:14:03.683999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d2af970083c5aff884811388cd5f0f5b44bbb31c2725b5dcd8b17d7f11dbc9b

Aliases

arxiv: 1508.00897 · arxiv_version: 1508.00897v2 · doi: 10.48550/arxiv.1508.00897 · pith_short_12: HUVPS4AIHRNP · pith_short_16: HUVPS4AIHRNP7CCI · pith_short_8: HUVPS4AI

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/HUVPS4AIHRNP7CCICE4IZVPQ6W \
  | 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: 3d2af970083c5aff884811388cd5f0f5b44bbb31c2725b5dcd8b17d7f11dbc9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7754d21ea6f13a819fd326db4e4a87b0e348ad7529e61cafe84ce25cbffb782",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-08-04T20:05:15Z",
    "title_canon_sha256": "dde2970e16d39298d7e11b55a40bcd54b7164ea30f1835c3bc617b6e10beac86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00897",
    "kind": "arxiv",
    "version": 2
  }
}