Pith Number

pith:QGLZTBRW

pith:2011:QGLZTBRWXH626PYUIF2Y7AZGWH

not attested not anchored not stored refs pending

Instantons, Twistors, and Emergent Gravity

Herman Verlinde, Jonathan J. Heckman

arxiv:1112.5210 v2 · 2011-12-22 · 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{QGLZTBRWXH626PYUIF2Y7AZGWH}

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	2026-05-18T02:21:27.030913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8197998636b9fdaf3f1441758f8326b1c816831e4603dc545b5a7f2baa34bb24

Aliases

arxiv: 1112.5210 · arxiv_version: 1112.5210v2 · doi: 10.48550/arxiv.1112.5210 · pith_short_12: QGLZTBRWXH62 · pith_short_16: QGLZTBRWXH626PYU · pith_short_8: QGLZTBRW

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/QGLZTBRWXH626PYUIF2Y7AZGWH \
  | 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: 8197998636b9fdaf3f1441758f8326b1c816831e4603dc545b5a7f2baa34bb24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08dd67273b9a9ed4d1fab8bdc14f51da2042f30ef2f45e5fab3edfce6c9caf8e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-12-22T00:12:07Z",
    "title_canon_sha256": "c72f90f2174cfac2a34324a1ffe3ed2b448bfcea984257f5014ba22c8f952ded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5210",
    "kind": "arxiv",
    "version": 2
  }
}