Pith Number

pith:5AD2YOK6

pith:2018:5AD2YOK6INKF2NMNYOPFQXYIQL

not attested not anchored not stored refs pending

Asymptotically $AdS_2\times S^2$ metrics satisfying the Null Energy Condition

Paul Tod

arxiv:1809.01374 v1 · 2018-09-05 · 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{5AD2YOK6INKF2NMNYOPFQXYIQL}

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	2026-05-18T00:06:27.806691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e807ac395e43545d358dc39e585f0882d546216c9332dbd4aef66fa8e9514830

Aliases

arxiv: 1809.01374 · arxiv_version: 1809.01374v1 · doi: 10.48550/arxiv.1809.01374 · pith_short_12: 5AD2YOK6INKF · pith_short_16: 5AD2YOK6INKF2NMN · pith_short_8: 5AD2YOK6

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/5AD2YOK6INKF2NMNYOPFQXYIQL \
  | 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: e807ac395e43545d358dc39e585f0882d546216c9332dbd4aef66fa8e9514830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7e383ba08fc78f6e9b9b0e867114309ef02e60d21dbac025aa60fce0b31280d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-05T08:06:30Z",
    "title_canon_sha256": "8d7526c8d985aabf551801adcf3e5e6b2bf24b292e440ea6f94df09541a9afdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01374",
    "kind": "arxiv",
    "version": 1
  }
}