Pith Number

pith:QCXTSUPT

pith:2021:QCXTSUPTCTOXNVZ5DVC7ED3EEC

not attested not anchored not stored refs pending

Multi-wavelength follow-up of FRB 180309

Giuliano Pignata, Jane F. Kaczmarek, J. Xavier Prochaska, Kshitij Aggarwal, Nicolas Tejos, Sarah Burke-Spolaor, Stefan Oslowski, Vikram Ravi

arxiv:2104.03991 v2 · 2021-04-08 · 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{QCXTSUPTCTOXNVZ5DVC7ED3EEC}

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	2026-07-05T03:16:31.894374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80af3951f314dd76d73d1d45f20f642087099e79ab7018ed3d0aa71a120f2103

Aliases

arxiv: 2104.03991 · arxiv_version: 2104.03991v2 · doi: 10.48550/arxiv.2104.03991 · pith_short_12: QCXTSUPTCTOX · pith_short_16: QCXTSUPTCTOXNVZ5 · pith_short_8: QCXTSUPT

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/QCXTSUPTCTOXNVZ5DVC7ED3EEC \
  | 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: 80af3951f314dd76d73d1d45f20f642087099e79ab7018ed3d0aa71a120f2103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a543f9ef31b7435dde9c8dcb91fa8b46258c5e846b8ea008edbc9d0b78267e78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-04-08T18:02:47Z",
    "title_canon_sha256": "eb97290895412dd5923e4f110e8b40b564505dbede768083e407a6adeed744e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03991",
    "kind": "arxiv",
    "version": 2
  }
}