Pith Number

pith:NKM6CHHK

pith:2011:NKM6CHHK5EDFC3WLXY2NULLL7B

not attested not anchored not stored refs pending

Pulsars and Gravitational Waves

G. J. Qiao (PKU), K. J. Lee (PKU), R. X. Xu (PKU)

arxiv:1109.0812 v2 · 2011-09-05 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKM6CHHK5EDFC3WLXY2NULLL7B}

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	2026-05-18T04:13:15.569323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a99e11ceae906516ecbbe34da2d6bf87cd608bbdb8788a4629476aaab7d8048

Aliases

arxiv: 1109.0812 · arxiv_version: 1109.0812v2 · doi: 10.48550/arxiv.1109.0812 · pith_short_12: NKM6CHHK5EDF · pith_short_16: NKM6CHHK5EDFC3WL · pith_short_8: NKM6CHHK

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/NKM6CHHK5EDFC3WLXY2NULLL7B \
  | 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: 6a99e11ceae906516ecbbe34da2d6bf87cd608bbdb8788a4629476aaab7d8048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19df5c3cf380619368671d656c52deea5240b995350c993e35d1761e639011fe",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-09-05T07:04:35Z",
    "title_canon_sha256": "f044f58bfa43811c074b2f9a4e3d6ee29402e3cb02da461ed6e2c6e9b79bcc69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0812",
    "kind": "arxiv",
    "version": 2
  }
}