Pith Number

pith:TDNJZVPC

pith:2007:TDNJZVPCTH7IAINNOZ6R2JAXNO

not attested not anchored not stored refs pending

Green's function of a finite chain and the discrete Fourier transform

S. Cojocaru

arxiv:0704.2898 v1 · 2007-04-22 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDNJZVPCTH7IAINNOZ6R2JAXNO}

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	2026-05-18T02:16:31.584641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98da9cd5e299fe8021ad767d1d24176b985f5e8fd689a82e32200a9b7db9aa16

Aliases

arxiv: 0704.2898 · arxiv_version: 0704.2898v1 · doi: 10.48550/arxiv.0704.2898 · pith_short_12: TDNJZVPCTH7I · pith_short_16: TDNJZVPCTH7IAINN · pith_short_8: TDNJZVPC

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/TDNJZVPCTH7IAINNOZ6R2JAXNO \
  | 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: 98da9cd5e299fe8021ad767d1d24176b985f5e8fd689a82e32200a9b7db9aa16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d6e426daf5e68d4b7fa89c9c68ae66c8ce40b770d93b64dc65da75a41f96213",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2007-04-22T18:09:06Z",
    "title_canon_sha256": "7ece2f6e21cb0df5507ab51f3b4fb22c2eb9a88b3a6ee55bcbe35024f237584e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.2898",
    "kind": "arxiv",
    "version": 1
  }
}