Pith Number

pith:2DVVVFHQ

pith:2008:2DVVVFHQ77V7IMWEKIVMLBRKQQ

not attested not anchored not stored refs pending

Eigenvalue Problem in Two Dimension for An Irregular Boundary

J. K. Bhattacharjee, S. Chakraborty, S. P. Khastgir

arxiv:0812.2982 v2 · 2008-12-16 · math-ph · hep-th · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DVVVFHQ77V7IMWEKIVMLBRKQQ}

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	2026-05-18T02:15:04.691324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0eb5a94f0ffebf432c4522ac5862a8434fa6112b86c083137d5ba474f5c72c2

Aliases

arxiv: 0812.2982 · arxiv_version: 0812.2982v2 · doi: 10.48550/arxiv.0812.2982 · pith_short_12: 2DVVVFHQ77V7 · pith_short_16: 2DVVVFHQ77V7IMWE · pith_short_8: 2DVVVFHQ

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/2DVVVFHQ77V7IMWEKIVMLBRKQQ \
  | 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: d0eb5a94f0ffebf432c4522ac5862a8434fa6112b86c083137d5ba474f5c72c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d3b37243f09f9e07a80c2658366a582df26134ba6f8a22c83daa736fe819605",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2008-12-16T06:18:34Z",
    "title_canon_sha256": "def9d218a7c139cc94667ed2eb44a1837ee54532180606b1edd175ded83562de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2982",
    "kind": "arxiv",
    "version": 2
  }
}