Pith Number

pith:47FKW6KO

pith:2018:47FKW6KOASYOTY6CDOHKKXADB7

not attested not anchored not stored refs pending

Structure of globally hyperbolic spacetimes with timelike boundary

Jos\'e L. Flores, L. Ak\'e Hau, Miguel S\'anchez

arxiv:1808.04412 v4 · 2018-08-13 · gr-qc · 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{47FKW6KOASYOTY6CDOHKKXADB7}

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

On Maxwell's Equations on Globally Hyperbolic Spacetimes with Timelike Boundary

Receipt and verification

First computed	2026-07-05T02:34:05.243709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7caab794e04b0e9e3c21b8ea55c030fd1fb1d3f46f35e8d80a8990b666583ff

Aliases

arxiv: 1808.04412 · arxiv_version: 1808.04412v4 · doi: 10.48550/arxiv.1808.04412 · pith_short_12: 47FKW6KOASYO · pith_short_16: 47FKW6KOASYOTY6C · pith_short_8: 47FKW6KO

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/47FKW6KOASYOTY6CDOHKKXADB7 \
  | 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: e7caab794e04b0e9e3c21b8ea55c030fd1fb1d3f46f35e8d80a8990b666583ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8312561a9a90f0af1d06e6c0919ffa5c8885564ecbb0936e6b11108bc2ce343c",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-13T19:31:11Z",
    "title_canon_sha256": "7f022fc619c4e26887a759fe987da160483456fd4878603a2c08162f390b1fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04412",
    "kind": "arxiv",
    "version": 4
  }
}