Pith Number

pith:I4N7XS25

pith:2008:I4N7XS25LGKYNOCIRUKDZWDY62

not attested not anchored not stored refs pending

Convergent null data expansions at space-like infinity of stationary vacuum solutions

Andr\'es E. Ace\~na

arxiv:0810.4256 v1 · 2008-10-23 · 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{I4N7XS25LGKYNOCIRUKDZWDY62}

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	2026-05-18T02:35:14.211456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

471bfbcb5d599586b8488d143cd878f682c40cdda9181610c6984ebd24b660cc

Aliases

arxiv: 0810.4256 · arxiv_version: 0810.4256v1 · doi: 10.48550/arxiv.0810.4256 · pith_short_12: I4N7XS25LGKY · pith_short_16: I4N7XS25LGKYNOCI · pith_short_8: I4N7XS25

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/I4N7XS25LGKYNOCIRUKDZWDY62 \
  | 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: 471bfbcb5d599586b8488d143cd878f682c40cdda9181610c6984ebd24b660cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "015fa4502d6f9e919a8d0128ca0fcc1e707048b5b64ebe28e691b0a272db8091",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-10-23T19:10:28Z",
    "title_canon_sha256": "14ca71c7bbd917acb944b828d509006507e51f405b2c7e98719bb8228fc52658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4256",
    "kind": "arxiv",
    "version": 1
  }
}