Pith Number

pith:7RF2Z4WB

pith:2009:7RF2Z4WBKE4ZQQQGS5YFGSW2HV

not attested not anchored not stored refs pending

Expected performance of a hard X-ray polarimeter (POLAR) by Monte Carlo Simulation

Bobing Wu, Nicolas Produit, Shaolin Xiong

arxiv:0907.3337 v1 · 2009-07-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7RF2Z4WBKE4ZQQQGS5YFGSW2HV}

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	2026-05-18T02:12:55.688820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc4bacf2c151399842069770534ada3d70333c96838c59e3f38b51b5bc65669b

Aliases

arxiv: 0907.3337 · arxiv_version: 0907.3337v1 · doi: 10.48550/arxiv.0907.3337 · pith_short_12: 7RF2Z4WBKE4Z · pith_short_16: 7RF2Z4WBKE4ZQQQG · pith_short_8: 7RF2Z4WB

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/7RF2Z4WBKE4ZQQQGS5YFGSW2HV \
  | 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: fc4bacf2c151399842069770534ada3d70333c96838c59e3f38b51b5bc65669b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0fe55126782a079c2208b7354733beaac1299b3a71927f63ec12b5c88fee0d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-07-20T04:24:46Z",
    "title_canon_sha256": "b1215d1c6355a3b173545055b50023d4ab713f1553cb2b4fb6d7609c2c8eb1b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3337",
    "kind": "arxiv",
    "version": 1
  }
}