Pith Number

pith:VHLQXDXW

pith:2014:VHLQXDXWHZKJAHNEIDVALCWFJ6

not attested not anchored not stored refs pending

An XMM-Newton study of the mixed-morphology supernova remnant W28 (G6.4-0.1)

2), (2) University of Manitoba), Bing Jiang (1), Gilles Ferrand (2) ((1) Nanjing University, Ping Zhou (1, Samar Safi-Harb (2), Xiao Zhang (1), Yang Chen (1)

arxiv:1407.6717 v1 · 2014-07-24 · 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{VHLQXDXWHZKJAHNEIDVALCWFJ6}

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	2026-05-18T01:42:31.982003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9d70b8ef63e54901da440ea058ac54fb9a4a1093778fe91a3d473637d034deb

Aliases

arxiv: 1407.6717 · arxiv_version: 1407.6717v1 · doi: 10.48550/arxiv.1407.6717 · pith_short_12: VHLQXDXWHZKJ · pith_short_16: VHLQXDXWHZKJAHNE · pith_short_8: VHLQXDXW

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/VHLQXDXWHZKJAHNEIDVALCWFJ6 \
  | 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: a9d70b8ef63e54901da440ea058ac54fb9a4a1093778fe91a3d473637d034deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7c8ce35af8bbaa0a8fa826750d25061863ef34e75e0cc2976eb4f73b4a236c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-07-24T20:01:53Z",
    "title_canon_sha256": "06702b4f5398e6a74412aa22306afdfe6a6d6af3588ad8f7dfad9909dee7febe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6717",
    "kind": "arxiv",
    "version": 1
  }
}