Pith Number

pith:P4I7LU3B

pith:2017:P4I7LU3B23FDRQLUARNRJRNFNT

not attested not anchored not stored refs pending

Polyhomogeneous expansions from time symmetric initial data

Edgar Gasperin, Juan A. Valiente Kroon

arxiv:1706.04227 v1 · 2017-06-13 · 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{P4I7LU3B23FDRQLUARNRJRNFNT}

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	2026-05-18T00:34:18.029990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f11f5d361d6ca38c174045b14c5a56cf8f46765891833bd8f539b9f5256c19e

Aliases

arxiv: 1706.04227 · arxiv_version: 1706.04227v1 · doi: 10.48550/arxiv.1706.04227 · pith_short_12: P4I7LU3B23FD · pith_short_16: P4I7LU3B23FDRQLU · pith_short_8: P4I7LU3B

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/P4I7LU3B23FDRQLUARNRJRNFNT \
  | 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: 7f11f5d361d6ca38c174045b14c5a56cf8f46765891833bd8f539b9f5256c19e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0424c21fa0b15d68d4bb15f00f6758a3ebdac5b3b441745d22d099c289ce5ce3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-06-13T19:04:21Z",
    "title_canon_sha256": "e9dab735601d6ee08a36cb5895e2d74b84f1a8b924e88e8b80aeade52ecddf19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04227",
    "kind": "arxiv",
    "version": 1
  }
}