Pith Number

pith:63ENZGVX

pith:2024:63ENZGVX6VVRNO4NBZ53YCDZNE

not attested not anchored not stored refs pending

Null Infinity as a Weakly Isolated Horizon

Abhay Ashtekar, Simone Speziale

arxiv:2402.17977 v2 · 2024-02-28 · hep-th · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63ENZGVX6VVRNO4NBZ53YCDZNE}

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.

Cited by

1 paper in Pith

Radiation in Fluid/Gravity and the Flat Limit

Receipt and verification

First computed	2026-07-05T09:08:23.631565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6c8dc9ab7f56b16bb8d0e7bbc08796908da9ebfcf21b9a203ddeed6ea3fd7b1

Aliases

arxiv: 2402.17977 · arxiv_version: 2402.17977v2 · doi: 10.48550/arxiv.2402.17977 · pith_short_12: 63ENZGVX6VVR · pith_short_16: 63ENZGVX6VVRNO4N · pith_short_8: 63ENZGVX

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/63ENZGVX6VVRNO4NBZ53YCDZNE \
  | 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: f6c8dc9ab7f56b16bb8d0e7bbc08796908da9ebfcf21b9a203ddeed6ea3fd7b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d2d0952212d82077b26f0c86243ceb26b5b2dd8b57982b3ed41aaddda697369",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2024-02-28T01:44:26Z",
    "title_canon_sha256": "2d6c54ed77406b34e94b9d053604069c927594c70ac6d0c236cabdb56928391b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.17977",
    "kind": "arxiv",
    "version": 2
  }
}