Pith Number

pith:TV3BIJ3B

pith:2020:TV3BIJ3BC2COQ6OFWGDJCFGYBC

not attested not anchored not stored refs pending

Possible periodic activity in the repeating FRB 121102

A. Karastergiou, B. W. Stappers, C. G. Bassa, D. Agarwal, D. R. Lorimer, E. F. Keane, K. M. Rajwade, M. B. Mickaliger, M. Caleb, R. P. Breton, V. Morello

arxiv:2003.03596 v2 · 2020-03-07 · 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{TV3BIJ3BC2COQ6OFWGDJCFGYBC}

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	2026-07-05T01:05:44.773776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d761427611684e879c5b1869114d8088a22c2491196819ae5b82012e95d4d58

Aliases

arxiv: 2003.03596 · arxiv_version: 2003.03596v2 · doi: 10.48550/arxiv.2003.03596 · pith_short_12: TV3BIJ3BC2CO · pith_short_16: TV3BIJ3BC2COQ6OF · pith_short_8: TV3BIJ3B

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/TV3BIJ3BC2COQ6OFWGDJCFGYBC \
  | 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: 9d761427611684e879c5b1869114d8088a22c2491196819ae5b82012e95d4d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b2613676d48dac1f5bf2f0961c68c8a5810497495f6d3c16597244a27a1a215",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-03-07T16:10:39Z",
    "title_canon_sha256": "dc247e9b2e4512246d5daa718d686eddbb2cf7e3b5cb9ff4fe4333afadcb63c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.03596",
    "kind": "arxiv",
    "version": 2
  }
}