Pith Number

pith:RHJ7ZQ4M

pith:2019:RHJ7ZQ4M6FGRVP6ZQ4QB6QRMAR

not attested not anchored not stored refs pending

Unitarity in Reissner-Nordstr\"{o}m background: striding away from information loss

Arpit Das, Narayan Banerjee

arxiv:1902.03378 v2 · 2019-02-09 · 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{RHJ7ZQ4M6FGRVP6ZQ4QB6QRMAR}

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	2026-05-17T23:43:03.472106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89d3fcc38cf14d1abfd987201f422c0445f38d10eb915720c6423f17013b135c

Aliases

arxiv: 1902.03378 · arxiv_version: 1902.03378v2 · doi: 10.48550/arxiv.1902.03378 · pith_short_12: RHJ7ZQ4M6FGR · pith_short_16: RHJ7ZQ4M6FGRVP6Z · pith_short_8: RHJ7ZQ4M

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/RHJ7ZQ4M6FGRVP6ZQ4QB6QRMAR \
  | 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: 89d3fcc38cf14d1abfd987201f422c0445f38d10eb915720c6423f17013b135c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "145d085ca192b230b786032dc65c71e35a5baa6a8b5f92852d59cef706cacf62",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-09T06:16:37Z",
    "title_canon_sha256": "8555282158f4f2d68cca9afd3bcf80aa7a46723f5d2ff483bdc7f89d0fa9a480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03378",
    "kind": "arxiv",
    "version": 2
  }
}