Pith Number

pith:VSU5JGMT

pith:2019:VSU5JGMTDBOCZHZ6KP6RLZ6TB7

not attested not anchored not stored refs pending

The FRB 121102 host is atypical among nearby FRBs

Bing Zhang (UNLV), Jingjing Shi (KIAA-PKU), Kentaro Nagamine (Osaka University), Ye Li (KIAA-PKU)

arxiv:1906.08749 v2 · 2019-06-20 · 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{VSU5JGMTDBOCZHZ6KP6RLZ6TB7}

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	2026-07-05T00:12:01.202558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aca9d49993185c2c9f3e53fd15e7d30fd12156a165150db4e327dd5c245394ec

Aliases

arxiv: 1906.08749 · arxiv_version: 1906.08749v2 · doi: 10.48550/arxiv.1906.08749 · pith_short_12: VSU5JGMTDBOC · pith_short_16: VSU5JGMTDBOCZHZ6 · pith_short_8: VSU5JGMT

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/VSU5JGMTDBOCZHZ6KP6RLZ6TB7 \
  | 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: aca9d49993185c2c9f3e53fd15e7d30fd12156a165150db4e327dd5c245394ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5816829bc322fb8d8162a77bcb935f7d1afab51bfe5571a0c1180fd1a2d6e484",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-20T17:00:18Z",
    "title_canon_sha256": "5337b3b6dd058ecf9427770bceea00b6e931dfa0eb763f17de409015c5a28fc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08749",
    "kind": "arxiv",
    "version": 2
  }
}