Pith Number

pith:HKNUHSJR

pith:2011:HKNUHSJRFQX22W3FGY7DQLXAJD

not attested not anchored not stored refs pending

Hard X / soft gamma ray polarimetry using a Laue lens

Lorenzo Natalucci, Nicolas M. Barri\`ere, Pietro Ubertini

arxiv:1109.1313 v1 · 2011-09-06 · 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{HKNUHSJRFQX22W3FGY7DQLXAJD}

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	2026-05-18T04:13:56.000022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a9b43c9312c2fad5b65363e382ee048deed63fe5e472ab540dbd1f528f507f0

Aliases

arxiv: 1109.1313 · arxiv_version: 1109.1313v1 · doi: 10.48550/arxiv.1109.1313 · pith_short_12: HKNUHSJRFQX2 · pith_short_16: HKNUHSJRFQX22W3F · pith_short_8: HKNUHSJR

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/HKNUHSJRFQX22W3FGY7DQLXAJD \
  | 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: 3a9b43c9312c2fad5b65363e382ee048deed63fe5e472ab540dbd1f528f507f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9b4fc8e258607bff945794e6f38639962c126dcbfc9f0f99ad77c44841584db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-09-06T22:11:10Z",
    "title_canon_sha256": "0f84b65841d51995eeff3376b042bfa66a9b708fbb13c0349234e1a69f5ad431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1313",
    "kind": "arxiv",
    "version": 1
  }
}