Pith Number

pith:DH5DFCKM

pith:2017:DH5DFCKM3NVZ4DOAQE4DMFNYAI

not attested not anchored not stored refs pending

The Dipole Magnetic Field and Spin-down Evolutions of The High Braking Index Pulsar PSR J1640-4631

Hao Shan, Na Wang, Wei Wang, Xiang-Dong Li, Zhi-Fu Gao

arxiv:1709.03459 v3 · 2017-09-11 · 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{DH5DFCKM3NVZ4DOAQE4DMFNYAI}

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	2026-05-18T00:30:57.396680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19fa32894cdb6b9e0dc081383615b802133348aa1db1d50606796083a2c13f66

Aliases

arxiv: 1709.03459 · arxiv_version: 1709.03459v3 · doi: 10.48550/arxiv.1709.03459 · pith_short_12: DH5DFCKM3NVZ · pith_short_16: DH5DFCKM3NVZ4DOA · pith_short_8: DH5DFCKM

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/DH5DFCKM3NVZ4DOAQE4DMFNYAI \
  | 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: 19fa32894cdb6b9e0dc081383615b802133348aa1db1d50606796083a2c13f66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4e6bd73b3a0a554043ea84fa0163d88e500185a7b60ff84149f379aaa6c0d60",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-09-11T16:07:38Z",
    "title_canon_sha256": "edace509f542c3ed0b630a65ef12ae8c1b05966609f0e03f414245c2703d4e82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03459",
    "kind": "arxiv",
    "version": 3
  }
}