Pith Number

pith:CQBYISMV

pith:2017:CQBYISMV45AN7LQTP6VSB6AHZU

not attested not anchored not stored refs pending

FRB 121102 Casts New Light on the Photon Mass

Alessandro D.A.M. Spallicci, Alexander S. Sakharov, Edward K. Sarkisyan-Grinbaum, John Ellis, Luca Bonetti, Nikolaos E. Mavromatos

arxiv:1701.03097 v2 · 2017-01-11 · astro-ph.HE · astro-ph.CO · hep-ex · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQBYISMV45AN7LQTP6VSB6AHZU}

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	2026-05-18T00:48:43.611395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1403844995e740dfae137fab20f807cd3e4cf57cdd90dda8fa16b916cbfa4fe6

Aliases

arxiv: 1701.03097 · arxiv_version: 1701.03097v2 · doi: 10.48550/arxiv.1701.03097 · pith_short_12: CQBYISMV45AN · pith_short_16: CQBYISMV45AN7LQT · pith_short_8: CQBYISMV

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/CQBYISMV45AN7LQTP6VSB6AHZU \
  | 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: 1403844995e740dfae137fab20f807cd3e4cf57cdd90dda8fa16b916cbfa4fe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0ebeeea28eceb59d919d91d24c176c4112dfcf95da67b75d6a9a77bfe322664",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ex",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-01-11T18:56:14Z",
    "title_canon_sha256": "2be525edc7a76caf8afcb2ca136154e8c5f4f10fb097770bc7a0a9d2cd8a8e66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03097",
    "kind": "arxiv",
    "version": 2
  }
}