Pith Number

pith:ZXKTZBZ4

pith:2018:ZXKTZBZ4ZZ7FSLBT7I4ERQ4DIW

not attested not anchored not stored refs pending

A technique to detect periodic and non-periodic ultra-rapid flux time variations with standard radio-astronomical data

Eric Trottier, Ermanno F. Borra, Jonathan D. Romney

arxiv:1804.09239 v1 · 2018-04-24 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXKTZBZ4ZZ7FSLBT7I4ERQ4DIW}

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	2026-05-18T00:15:54.591131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdd53c873cce7e592c33fa3848c383459d20a32d064bc84a9c85c628c49715d7

Aliases

arxiv: 1804.09239 · arxiv_version: 1804.09239v1 · doi: 10.48550/arxiv.1804.09239 · pith_short_12: ZXKTZBZ4ZZ7F · pith_short_16: ZXKTZBZ4ZZ7FSLBT · pith_short_8: ZXKTZBZ4

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/ZXKTZBZ4ZZ7FSLBT7I4ERQ4DIW \
  | 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: cdd53c873cce7e592c33fa3848c383459d20a32d064bc84a9c85c628c49715d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c297dd737fc01e503d6f5805fe71d3cf57842b2fb6704b775b856c247538a55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-04-24T20:26:25Z",
    "title_canon_sha256": "6b89eb535e9020c9ea9f022abf0caff166caa0315f7f9be9df02942a06eb9424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09239",
    "kind": "arxiv",
    "version": 1
  }
}