Pith Number

pith:PK4PBUTZ

pith:2015:PK4PBUTZD2DDFNONAN6ZU4GEPS

not attested not anchored not stored refs pending

Discrete steps in dispersion measures of Fast Radio Bursts

John G. Learned, Michael Hippke, Wilfried F. Domainko

arxiv:1503.05245 v2 · 2015-03-17 · astro-ph.HE · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PK4PBUTZD2DDFNONAN6ZU4GEPS}

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	2026-05-18T02:20:02.564249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ab8f0d2791e8632b5cd037d9a70c47caa46933a106dbaaf7f758bdefda44dbd

Aliases

arxiv: 1503.05245 · arxiv_version: 1503.05245v2 · doi: 10.48550/arxiv.1503.05245 · pith_short_12: PK4PBUTZD2DD · pith_short_16: PK4PBUTZD2DDFNON · pith_short_8: PK4PBUTZ

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/PK4PBUTZD2DDFNONAN6ZU4GEPS \
  | 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: 7ab8f0d2791e8632b5cd037d9a70c47caa46933a106dbaaf7f758bdefda44dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e208e5cc1ee10c8e05e681e706381d022b0ff24d6d772fd3f7fd43d6b39885a5",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-17T23:31:43Z",
    "title_canon_sha256": "49cc201c2463e6807b6814488fc88d1856d98e7070d0fc8752d59b5b73bb4413"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05245",
    "kind": "arxiv",
    "version": 2
  }
}