Pith Number

pith:L4XM5SFR

pith:2021:L4XM5SFRL3OSRQEX7G7O2A2H3Y

not attested not anchored not stored refs pending

Light Speed Variation with Brane/String-Inspired Space-Time Foam

Bo-Qiang Ma, Chengyi Li

arxiv:2109.07096 v1 · 2021-09-15 · hep-ph · astro-ph.HE · 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{L4XM5SFRL3OSRQEX7G7O2A2H3Y}

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

Monte Carlo simulation of GRB data to test Lorentz-invariance violation

Receipt and verification

First computed	2026-07-05T03:14:57.394169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f2ecec8b15edd28c097f9beed0347de0d27e0b4a9b2732c76e31f0152af8d8e

Aliases

arxiv: 2109.07096 · arxiv_version: 2109.07096v1 · doi: 10.48550/arxiv.2109.07096 · pith_short_12: L4XM5SFRL3OS · pith_short_16: L4XM5SFRL3OSRQEX · pith_short_8: L4XM5SFR

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/L4XM5SFRL3OSRQEX7G7O2A2H3Y \
  | 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: 5f2ecec8b15edd28c097f9beed0347de0d27e0b4a9b2732c76e31f0152af8d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf480cc4eef27914baa75bfcef76896bc48fe1786af0557d24f3eb6484016a7",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-09-15T05:54:11Z",
    "title_canon_sha256": "0bcb84ace293b9e27263792a96f3da870a76dc7d853b3c589e3d835b7350d7c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07096",
    "kind": "arxiv",
    "version": 1
  }
}