Pith Number

pith:S5QAA3QC

pith:2016:S5QAA3QCEV6WG5UAW635HFLMUI

not attested not anchored not stored refs pending

Gravity Degrees of Freedom on a Null Surface

Florian Hopfm\"uller, Laurent Freidel

arxiv:1611.03096 v2 · 2016-11-09 · gr-qc · 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{S5QAA3QCEV6WG5UAW635HFLMUI}

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

Entropic route to Brown-York tensor: A unified framework for null and timelike hypersurfaces

Localization and anomalous reference frames in gravity

Gravitational null rays: Covariant Quantization and the Dressing Time

Receipt and verification

First computed	2026-05-18T00:44:24.178039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9760006e02257d637680b7b7d3956ca22bd99a33eca215db921eb756f0c76024

Aliases

arxiv: 1611.03096 · arxiv_version: 1611.03096v2 · doi: 10.48550/arxiv.1611.03096 · pith_short_12: S5QAA3QCEV6W · pith_short_16: S5QAA3QCEV6WG5UA · pith_short_8: S5QAA3QC

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/S5QAA3QCEV6WG5UAW635HFLMUI \
  | 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: 9760006e02257d637680b7b7d3956ca22bd99a33eca215db921eb756f0c76024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "526473f4542e150db50ef4d789f0254e70e83d268b6b258687c9c42d1647399f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-11-09T21:13:49Z",
    "title_canon_sha256": "9cf81248daa60b98520b87d43b879b176b2705ad8d0c58ba6c08b8b81591ab15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03096",
    "kind": "arxiv",
    "version": 2
  }
}