Pith Number

pith:JZX3DTJU

pith:2024:JZX3DTJUJ735DTNP4USK7VWZE5

not attested not anchored not stored refs pending

A geometric approach to estimate background in astronomical images

Kanak Saha, Pushpak Pandey

arxiv:2411.17566 v1 · 2024-11-26 · astro-ph.IM · 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{JZX3DTJUJ735DTNP4USK7VWZE5}

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	2026-07-05T09:40:49.073187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e6fb1cd344ff7d1cdafe524afd6d927763af45b62b311cd2a1f1d06815338af

Aliases

arxiv: 2411.17566 · arxiv_version: 2411.17566v1 · doi: 10.48550/arxiv.2411.17566 · pith_short_12: JZX3DTJUJ735 · pith_short_16: JZX3DTJUJ735DTNP · pith_short_8: JZX3DTJU

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/JZX3DTJUJ735DTNP4USK7VWZE5 \
  | 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: 4e6fb1cd344ff7d1cdafe524afd6d927763af45b62b311cd2a1f1d06815338af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0601886f2644d47c44ead98c312ca71a86f6fb3ed927f3b1496388bfcf042e22",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-11-26T16:28:10Z",
    "title_canon_sha256": "2de081f0832b30ef49fe895a9342a3b8d49c3511978f7d68ec99e6905c0662ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.17566",
    "kind": "arxiv",
    "version": 1
  }
}