Pith Number

pith:66WTIPKQ

pith:2009:66WTIPKQ2NW2LPYDAGLENCKGY5

not attested not anchored not stored refs pending

Probing millisecond pulsar emission geometry using light curves from the Fermi Large Area Telescope

A.K. Harding, C. Venter, L. Guillemot

arxiv:0911.0872 v1 · 2009-11-04 · 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{66WTIPKQ2NW2LPYDAGLENCKGY5}

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	2026-05-18T02:34:11.922764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7ad343d50d36da5bf030196468946c77f3d9c122a635641c7bd7c8d7869aa7d

Aliases

arxiv: 0911.0872 · arxiv_version: 0911.0872v1 · doi: 10.48550/arxiv.0911.0872 · pith_short_12: 66WTIPKQ2NW2 · pith_short_16: 66WTIPKQ2NW2LPYD · pith_short_8: 66WTIPKQ

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/66WTIPKQ2NW2LPYDAGLENCKGY5 \
  | 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: f7ad343d50d36da5bf030196468946c77f3d9c122a635641c7bd7c8d7869aa7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9125aef86eb480946a96e57c45afbce91a2304ff3e7ce1f1797c34138b50544",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-04T16:43:17Z",
    "title_canon_sha256": "6e84a9eb637b8048fa54785f67398f01ffbad3a25469b03e39e4db0c94e16b25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0872",
    "kind": "arxiv",
    "version": 1
  }
}