Pith Number

pith:FWDYFYUU

pith:2014:FWDYFYUUAPAPCGQKFZ2YUDZDBF

not attested not anchored not stored refs pending

Measuring pulse times of arrival from broadband pulsar observations

B. W. Stappers, D. J. Champion, G. Desvignes, I. Cognard, J. P. W. Verbiest, K. J. Lee, K. Liu, M. Kramer, P. C. C. Freire, R. Karuppusamy

arxiv:1407.3827 v1 · 2014-07-14 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWDYFYUUAPAPCGQKFZ2YUDZDBF}

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	2026-05-18T01:42:36.851058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d8782e29403c0f11a0a2e758a0f2309786fd2408211891b8638753154097fc0

Aliases

arxiv: 1407.3827 · arxiv_version: 1407.3827v1 · doi: 10.48550/arxiv.1407.3827 · pith_short_12: FWDYFYUUAPAP · pith_short_16: FWDYFYUUAPAPCGQK · pith_short_8: FWDYFYUU

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/FWDYFYUUAPAPCGQKFZ2YUDZDBF \
  | 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: 2d8782e29403c0f11a0a2e758a0f2309786fd2408211891b8638753154097fc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c685083d788ffb5a475cb0c48f6f4f31fdfcd3154d4df39f04e3af0b3094a1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-14T21:37:50Z",
    "title_canon_sha256": "49d67c4efbeb9c05bedf405b5cb32523b1f02cc9f2f0b81b01b73a78aaebea5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3827",
    "kind": "arxiv",
    "version": 1
  }
}