Pith Number

pith:YRE43EEI

pith:2015:YRE43EEISSVNEGYMSDZAGJ2P2Q

not attested not anchored not stored refs pending

On static Poincar\'e-Einstein metrics

Eric Woolgar, Gregory J Galloway

arxiv:1502.04646 v3 · 2015-02-16 · gr-qc · hep-th · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRE43EEISSVNEGYMSDZAGJ2P2Q}

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	2026-05-18T00:15:31.324767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c449cd908894aad21b0c90f203274fd43008640076b49e3dac8ea0535bd18ec8

Aliases

arxiv: 1502.04646 · arxiv_version: 1502.04646v3 · doi: 10.48550/arxiv.1502.04646 · pith_short_12: YRE43EEISSVN · pith_short_16: YRE43EEISSVNEGYM · pith_short_8: YRE43EEI

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/YRE43EEISSVNEGYMSDZAGJ2P2Q \
  | 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: c449cd908894aad21b0c90f203274fd43008640076b49e3dac8ea0535bd18ec8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "919910aa072e79317babfc73955b9596e8da51359685425635ebaa5e2fa8dd77",
    "cross_cats_sorted": [
      "hep-th",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-16T17:38:00Z",
    "title_canon_sha256": "a24923cce7e90b91c28832240a5f7c034a43c1f51c60652fd322dd757f254274"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04646",
    "kind": "arxiv",
    "version": 3
  }
}