Pith Number

pith:3KPAAXQN

pith:2021:3KPAAXQNNQRK3OLKYZWO2A4I5K

not attested not anchored not stored refs pending

Constraining violations of the Weak Equivalence Principle Using CHIME FRBs

Alvina Y. L. On, Bo Han Chen, Daryl Joe D. Santos, Kaustubha Sen, Seong Jin Kim, Simon C. C. Ho, Tetsuya Hashimoto, Tiger Y.-Y. Hsiao, Ting-Yi Lu, Tomotsugu Goto

arxiv:2111.11451 v1 · 2021-11-22 · gr-qc · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KPAAXQNNQRK3OLKYZWO2A4I5K}

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	2026-07-05T03:42:54.709250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da9e005e0d6c22adb96ac66ced0388eaa580bd9c727ffef099f1f80224b10dd6

Aliases

arxiv: 2111.11451 · arxiv_version: 2111.11451v1 · doi: 10.48550/arxiv.2111.11451 · pith_short_12: 3KPAAXQNNQRK · pith_short_16: 3KPAAXQNNQRK3OLK · pith_short_8: 3KPAAXQN

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/3KPAAXQNNQRK3OLKYZWO2A4I5K \
  | 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: da9e005e0d6c22adb96ac66ced0388eaa580bd9c727ffef099f1f80224b10dd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fd16b742ef4126e3799909c47a84ab688363418736cca547ae467340d2a5437",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-22T19:00:04Z",
    "title_canon_sha256": "2959f659a8ea87da22293790abdb35340b2a21e6a2029db43bf012f067f8467a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11451",
    "kind": "arxiv",
    "version": 1
  }
}