Pith Number

pith:UPWANO4K

pith:2021:UPWANO4KGKMS6L37YNPL3A2NBF

not attested not anchored not stored refs pending

Absence of bursts between 4-8 GHz from FRB20200120E located in an M81 Globular Cluster

Aaron B. Pearlman, Andrew P. V. Siemion, Daniele Michilli, Jakob T. Faber, Ketan R. Sand, Paul Scholz, Sabrina Berger, Steve Croft, Vishal Gajjar

arxiv:2107.09445 v1 · 2021-07-17 · 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{UPWANO4KGKMS6L37YNPL3A2NBF}

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	2026-07-05T02:59:30.978086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3ec06bb8a32992f2f7fc35ebd834d096a3e4407837a092d7ef8e7dc729f243f

Aliases

arxiv: 2107.09445 · arxiv_version: 2107.09445v1 · doi: 10.48550/arxiv.2107.09445 · pith_short_12: UPWANO4KGKMS · pith_short_16: UPWANO4KGKMS6L37 · pith_short_8: UPWANO4K

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/UPWANO4KGKMS6L37YNPL3A2NBF \
  | 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: a3ec06bb8a32992f2f7fc35ebd834d096a3e4407837a092d7ef8e7dc729f243f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69b862d615c6c75c07c471fbcf08502d09e79af7fcffddc69829ef90d9777568",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-07-17T01:25:38Z",
    "title_canon_sha256": "4df7238459961d7f87011370eb5251124b2d13aebfd4c145f1d7b243b35170da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09445",
    "kind": "arxiv",
    "version": 1
  }
}