Pith Number

pith:CWDF67JZ

pith:2018:CWDF67JZJXXV4P46NXLFIC3U57

not attested not anchored not stored refs pending

HESS J1640-465 -- a Gamma-ray emitting pulsar wind nebula ?

Da-Ming Wei, Neng-Hui Liao, Qiang Yuan, Si-Ming Liu, Xiao-Lei Guo, Yi-Zhong Fan, Yu-Liang Xin

arxiv:1802.03520 v2 · 2018-02-10 · 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{CWDF67JZJXXV4P46NXLFIC3U57}

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	2026-05-18T00:01:30.124631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15865f7d394def5e3f9e6dd6540b74efedbd19efc67fbfa205d80910701e30a0

Aliases

arxiv: 1802.03520 · arxiv_version: 1802.03520v2 · doi: 10.48550/arxiv.1802.03520 · pith_short_12: CWDF67JZJXXV · pith_short_16: CWDF67JZJXXV4P46 · pith_short_8: CWDF67JZ

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/CWDF67JZJXXV4P46NXLFIC3U57 \
  | 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: 15865f7d394def5e3f9e6dd6540b74efedbd19efc67fbfa205d80910701e30a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03580c643a4fb9f7186320b106ab0a53d21d3dad303db80caf5dd9298bf8990f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-10T05:08:08Z",
    "title_canon_sha256": "9c5f1b7a866064a6ee427beb7b827a17bde2ed02b7391e2d4597b9e6ab771a41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03520",
    "kind": "arxiv",
    "version": 2
  }
}