Pith Number

pith:55MG4FUD

pith:2023:55MG4FUDPTZWQVC7YFN727HCOZ

not attested not anchored not stored refs pending

Measurements of the Crab Pulsar's Giant Radio Pulse Amplitude Power-Law Index Using Low-Frequency Arecibo and Green Bank Telescope Observations

A. McEwen, F. Crawford, J. M. Cordes, J. S. Deneva, L. Spitler, R. F. Trainor, T. J. W. Lazio

arxiv:2304.02589 v1 · 2023-04-05 · 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{55MG4FUDPTZWQVC7YFN727HCOZ}

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	2026-07-05T06:10:37.120720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef586e16837cf368545fc15bfd7ce2765f15c07af606c872f4032d5fefd48f3c

Aliases

arxiv: 2304.02589 · arxiv_version: 2304.02589v1 · doi: 10.48550/arxiv.2304.02589 · pith_short_12: 55MG4FUDPTZW · pith_short_16: 55MG4FUDPTZWQVC7 · pith_short_8: 55MG4FUD

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/55MG4FUDPTZWQVC7YFN727HCOZ \
  | 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: ef586e16837cf368545fc15bfd7ce2765f15c07af606c872f4032d5fefd48f3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c07fac3b856bbb6d0b73d37a0e02017aeb7fe51d045ea134ddfdaf4d34cd24d2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-04-05T17:02:19Z",
    "title_canon_sha256": "7785fa19ddc196f1d81c065a23fb2d6894df7fde3751aeb6ff80063f88192636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.02589",
    "kind": "arxiv",
    "version": 1
  }
}