Pith Number

pith:YQN422K5

pith:2011:YQN422K5PGEONTGFKZABXGKD76

not attested not anchored not stored refs pending

PSRPI: A large VLBA pulsar astrometry program

A. T. Deller, B. W. Stappers, G. H. Janssen, J. M. Cordes, L. Petrov, S. Chatterjee, T. J. W. Lazio, W. F. Brisken, W. M. Goss, Y. Y. Kovalev

arxiv:1110.1979 v2 · 2011-10-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQN422K5PGEONTGFKZABXGKD76}

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	2026-05-18T04:11:08.100850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c41bcd695d7988e6ccc556401b9943ff8a93c7d3305bd3864a50317c51687d1d

Aliases

arxiv: 1110.1979 · arxiv_version: 1110.1979v2 · doi: 10.48550/arxiv.1110.1979 · pith_short_12: YQN422K5PGEO · pith_short_16: YQN422K5PGEONTGF · pith_short_8: YQN422K5

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/YQN422K5PGEONTGFKZABXGKD76 \
  | 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: c41bcd695d7988e6ccc556401b9943ff8a93c7d3305bd3864a50317c51687d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ab03fcda16431a0ee941fcbfd0658e824c13961198cb07e20c5f3294f85aed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-10T09:58:04Z",
    "title_canon_sha256": "0b8784b66585e217f3686929dbe2112e34ba9c41cea4711c1ece966762c179c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1979",
    "kind": "arxiv",
    "version": 2
  }
}