Pith Number

pith:YYM325VK

pith:2025:YYM325VKYVE4756JZNNQWANUUU

not attested not anchored not stored refs pending

Echoes in Different Tempo: Long-Term Monitoring of Crab Echoes with CHIME

James W. McKee, Jing Luo, Kiyoshi W. Masui, Marten H. van Kerkwijk, Robert Main, Thierry Serafin Nadeau, Ue-Li Pen

arxiv:2507.23201 v2 · 2025-07-31 · 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{YYM325VKYVE4756JZNNQWANUUU}

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.

Cited by

1 paper in Pith

Discovery of 30 Repeating Fast Radio Burst Sources and Uniform Population Statistics of 80 Repeating Sources from CHIME/FRB

Receipt and verification

First computed	2026-05-27T01:04:49.554957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c619bd76aac549cff7c9cb5b0b01b4a520f828014bf37f05d69f2ddf9dbe8912

Aliases

arxiv: 2507.23201 · arxiv_version: 2507.23201v2 · doi: 10.48550/arxiv.2507.23201 · pith_short_12: YYM325VKYVE4 · pith_short_16: YYM325VKYVE4756J · pith_short_8: YYM325VK

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/YYM325VKYVE4756JZNNQWANUUU \
  | 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: c619bd76aac549cff7c9cb5b0b01b4a520f828014bf37f05d69f2ddf9dbe8912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90b4437f863690779b13dd3b02f420fe2e15027224ebb4cd42d71e6c855af6f9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-07-31T02:54:02Z",
    "title_canon_sha256": "f2aabfde1ed1a73207a612525baae95946a953ba05624309858254d59d9a402c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23201",
    "kind": "arxiv",
    "version": 2
  }
}