Pith Number

pith:G2FEIVQR

pith:2009:G2FEIVQRSDU5OAZQEKWTYSVFDV

not attested not anchored not stored refs pending

Circular polarization survey of intermediate polars I. Northern targets in the range 17h<R.A.<23h

A. J. Norton, H. J. Lehto, O. W. Butters, S. Katajainen, V. Piirola

arxiv:0901.3516 v1 · 2009-01-22 · 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{G2FEIVQRSDU5OAZQEKWTYSVFDV}

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	2026-07-04T17:14:17.039196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

368a44561190e9d7033022ad3c4aa51d55b06a28634886c8295d448e49d0f4bb

Aliases

arxiv: 0901.3516 · arxiv_version: 0901.3516v1 · doi: 10.48550/arxiv.0901.3516 · pith_short_12: G2FEIVQRSDU5 · pith_short_16: G2FEIVQRSDU5OAZQ · pith_short_8: G2FEIVQR

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/G2FEIVQRSDU5OAZQEKWTYSVFDV \
  | 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: 368a44561190e9d7033022ad3c4aa51d55b06a28634886c8295d448e49d0f4bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c77d3fffdc042d3d23b17328072e0a2a9eea1afbf0ef5a8fdfb3bfc25b2c0274",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-01-22T17:32:10Z",
    "title_canon_sha256": "6d0cff97a7dbdbf49456e3d5e12684979cf9863ee7cd8aeec7b7da955ac1b91c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3516",
    "kind": "arxiv",
    "version": 1
  }
}