Pith Number

pith:HGJT5QDU

pith:2018:HGJT5QDU5HDL4E4XGTLT4ADXYF

not attested not anchored not stored refs pending

An example of an asymptotically $AdS_2\times S^2$ metric satisfying NEC but which is not exactly $AdS_2\times S^2$

Paul Tod

arxiv:1808.00317 v1 · 2018-08-01 · 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{HGJT5QDU5HDL4E4XGTLT4ADXYF}

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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	2026-05-18T00:09:06.464280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39933ec074e9c6be139734d73e0077c17e736066ec9d666c968c3d2b9ecb0388

Aliases

arxiv: 1808.00317 · arxiv_version: 1808.00317v1 · doi: 10.48550/arxiv.1808.00317 · pith_short_12: HGJT5QDU5HDL · pith_short_16: HGJT5QDU5HDL4E4X · pith_short_8: HGJT5QDU

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/HGJT5QDU5HDL4E4XGTLT4ADXYF \
  | 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: 39933ec074e9c6be139734d73e0077c17e736066ec9d666c968c3d2b9ecb0388

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccb8dea037b4d54223fe1be247043170b5522f1aa2044d9a8d052b08a5b94016",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-01T13:47:29Z",
    "title_canon_sha256": "973bff50858407493ea2d182b2b227b03b659dde5c1763a3388a4511b93da295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00317",
    "kind": "arxiv",
    "version": 1
  }
}