Pith Number

pith:BDDJDOPS

pith:2011:BDDJDOPSPODJEVIY43CQQ7F6YT

not attested not anchored not stored refs pending

A new tool for image analysis based on Chebyshev rational functions: CHEF functions

N. Ben\'itez, Y. Jim\'enez-Teja

arxiv:1104.0683 v1 · 2011-04-04 · astro-ph.IM · 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{BDDJDOPSPODJEVIY43CQQ7F6YT}

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	2026-05-18T02:02:38.184968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08c691b9f27b86925518e6c5087cbec4c5f4fb777c2d5585b2267b9d74372a9a

Aliases

arxiv: 1104.0683 · arxiv_version: 1104.0683v1 · doi: 10.48550/arxiv.1104.0683 · pith_short_12: BDDJDOPSPODJ · pith_short_16: BDDJDOPSPODJEVIY · pith_short_8: BDDJDOPS

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/BDDJDOPSPODJEVIY43CQQ7F6YT \
  | 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: 08c691b9f27b86925518e6c5087cbec4c5f4fb777c2d5585b2267b9d74372a9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78436e340d670270134e87aeaf17b918560750f5b04f5b88627c4e0f20e9c3f6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-04-04T20:30:11Z",
    "title_canon_sha256": "7fe908a8881e8eea6c9e71f0c385e43c266e40e6996b37b811b470b1d5c5995a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0683",
    "kind": "arxiv",
    "version": 1
  }
}