Pith Number

pith:QJHP7LYG

pith:2021:QJHP7LYGL5T7LUVERGBR6M4XFJ

not attested not anchored not stored refs pending

Quasi-normal modes and microscopic description of 2D black holes

Andrea Pierfrancesco Sanna, Mariano Cadoni, Mauro Oi

arxiv:2111.07763 v2 · 2021-11-15 · 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{QJHP7LYGL5T7LUVERGBR6M4XFJ}

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	2026-07-05T03:52:32.700550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

824effaf065f67f5d2a489831f33972a752d965fc54822f750922adaa559ca0f

Aliases

arxiv: 2111.07763 · arxiv_version: 2111.07763v2 · doi: 10.48550/arxiv.2111.07763 · pith_short_12: QJHP7LYGL5T7 · pith_short_16: QJHP7LYGL5T7LUVE · pith_short_8: QJHP7LYG

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/QJHP7LYGL5T7LUVERGBR6M4XFJ \
  | 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: 824effaf065f67f5d2a489831f33972a752d965fc54822f750922adaa559ca0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9674c11decc55b0b7bc70a1b7838fcd4b92baafdc61fd111748dd44c0a3efb0",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-15T14:06:00Z",
    "title_canon_sha256": "6de0db80161c03cab4a5bea7a23f306887ec7ff8db3debe6aa95d7ad6d1c4ad6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07763",
    "kind": "arxiv",
    "version": 2
  }
}