Pith Number

pith:BF2KNDCR

pith:2012:BF2KNDCRDM64WIZYOUNSSDGDYK

not attested not anchored not stored refs pending

Predicting the number of giant arcs expected in the next generation wide-field surveys from space

Carlo Giocoli (UniBO, INFN), Lauro Moscardini (UniBO, Massimo Meneghetti (OaBO, Michele Boldrin (UniBO), OaBO

arxiv:1209.2709 v2 · 2012-09-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BF2KNDCRDM64WIZYOUNSSDGDYK}

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	2026-05-18T01:54:29.765794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0974a68c511b3dcb2338751b290cc3c2b4570eb197b2436a5492d01d703f4c27

Aliases

arxiv: 1209.2709 · arxiv_version: 1209.2709v2 · doi: 10.48550/arxiv.1209.2709 · pith_short_12: BF2KNDCRDM64 · pith_short_16: BF2KNDCRDM64WIZY · pith_short_8: BF2KNDCR

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/BF2KNDCRDM64WIZYOUNSSDGDYK \
  | 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: 0974a68c511b3dcb2338751b290cc3c2b4570eb197b2436a5492d01d703f4c27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bc719e61d0f02108acb7e8d96bfce4aa115f6cd66d6ab4ae7732765e022869b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-12T20:00:03Z",
    "title_canon_sha256": "496059982a2dba02151c72367edbc233d9d6467ebf9502ed9a238cccb9af4b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2709",
    "kind": "arxiv",
    "version": 2
  }
}