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Pith Number

pith:4NTIPTEG

pith:2010:4NTIPTEG3PB7SGDSOWUWGVONG4
not attested not anchored not stored refs pending

How the conservation of charge can lead to a faster-than-c effect: A simple example

R. Y. Chiao

arxiv:1012.0797 v1 · 2010-12-03 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4NTIPTEG3PB7SGDSOWUWGVONG4}

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 2026-05-18T02:23:16.128133Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e36687cc86dbc3f9187275a96355cd3701d89f931625a5b71fbbf3d40caf09bf

Aliases

arxiv: 1012.0797 · arxiv_version: 1012.0797v1 · doi: 10.48550/arxiv.1012.0797 · pith_short_12: 4NTIPTEG3PB7 · pith_short_16: 4NTIPTEG3PB7SGDS · pith_short_8: 4NTIPTEG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4NTIPTEG3PB7SGDSOWUWGVONG4 \
  | 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: e36687cc86dbc3f9187275a96355cd3701d89f931625a5b71fbbf3d40caf09bf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "395c6b066ff3731552affad992acf0e21546490a7275ab9bc3226ec18736236c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-12-03T17:49:20Z",
    "title_canon_sha256": "1a8b03d2d8302638a05221dc92fe20465af4423a1187d91d851151d82513e27d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0797",
    "kind": "arxiv",
    "version": 1
  }
}