Pith Number

pith:CU2QWZWN

pith:2019:CU2QWZWNYHQFSAPWXVQLBPUX7Y

not attested not anchored not stored refs pending

Super-giant pulses from the Crab pulsar : Energy distribution and occurrence rate

Apurba Bera, Jayaram N. Chengalur

arxiv:1909.13812 v1 · 2019-09-25 · astro-ph.HE · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CU2QWZWNYHQFSAPWXVQLBPUX7Y}

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	2026-07-05T00:08:14.214665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15350b66cdc1e05901f6bd60b0be97fe06427267e35b8287517e70dcd1ea81c9

Aliases

arxiv: 1909.13812 · arxiv_version: 1909.13812v1 · doi: 10.48550/arxiv.1909.13812 · pith_short_12: CU2QWZWNYHQF · pith_short_16: CU2QWZWNYHQFSAPW · pith_short_8: CU2QWZWN

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/CU2QWZWNYHQFSAPWXVQLBPUX7Y \
  | 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: 15350b66cdc1e05901f6bd60b0be97fe06427267e35b8287517e70dcd1ea81c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce3d6a1877959f85b36d2c0f688ee41106a015825c6df42094d31ea5c67576c8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-25T12:04:03Z",
    "title_canon_sha256": "c755af4d79a0faeaa8995876751381eb457e7c1d74c4b1b6c33380a16f7fc0ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13812",
    "kind": "arxiv",
    "version": 1
  }
}