Pith Number

pith:FXA7SFYF

pith:2010:FXA7SFYF7YYX3Y6MU42KND3TRX

not attested not anchored not stored refs pending

Coupling Non-Gravitational Fields with Simplicial Spacetimes

Jonathan R. McDonald, Warner A. Miller

arxiv:1002.5001 v2 · 2010-02-26 · 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{FXA7SFYF7YYX3Y6MU42KND3TRX}

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	2026-05-18T02:24:38.461124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dc1f91705fe317de3cca734a68f738dd16a2cce3df1f46d2f576b53635703df

Aliases

arxiv: 1002.5001 · arxiv_version: 1002.5001v2 · doi: 10.48550/arxiv.1002.5001 · pith_short_12: FXA7SFYF7YYX · pith_short_16: FXA7SFYF7YYX3Y6M · pith_short_8: FXA7SFYF

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/FXA7SFYF7YYX3Y6MU42KND3TRX \
  | 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: 2dc1f91705fe317de3cca734a68f738dd16a2cce3df1f46d2f576b53635703df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f54b36a9e2870b9f54c02a6390b18db41c5f4bce9be5cd380c4052fc9dfd0481",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-02-26T14:47:28Z",
    "title_canon_sha256": "7d71a494bec75141f442db9aa917559244e3a1c55903d80a233b67110bce755c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.5001",
    "kind": "arxiv",
    "version": 2
  }
}