Pith Number

pith:FEPAOA7H

pith:2010:FEPAOA7HNDWSPZJTOGKYAEK5LO

not attested not anchored not stored refs pending

Lessons from Classical Gravity about the Quantum Structure of Spacetime

T. Padmanabhan

arxiv:1012.4476 v2 · 2010-12-20 · gr-qc · astro-ph.CO · 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{FEPAOA7HNDWSPZJTOGKYAEK5LO}

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

Four inequivalent paths to Thermality in Minkowski spacetime

Receipt and verification

First computed	2026-05-18T04:18:24.134189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

291e0703e768ed27e533719580115d5b8830110ab84fbce2948c73ecfa7129c1

Aliases

arxiv: 1012.4476 · arxiv_version: 1012.4476v2 · doi: 10.48550/arxiv.1012.4476 · pith_short_12: FEPAOA7HNDWS · pith_short_16: FEPAOA7HNDWSPZJT · pith_short_8: FEPAOA7H

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/FEPAOA7HNDWSPZJTOGKYAEK5LO \
  | 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: 291e0703e768ed27e533719580115d5b8830110ab84fbce2948c73ecfa7129c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "404de1a9de7f2a4e7115943bc3bfe7106db8a4f854bda691c179e77cd47b3081",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-12-20T21:06:17Z",
    "title_canon_sha256": "833fc496beeafcd9ebaa02a2abfd77a64ea20ca03b188285161682516af6c7f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4476",
    "kind": "arxiv",
    "version": 2
  }
}