Pith Number

pith:NB3D5VF6

pith:2012:NB3D5VF6MKJRK4BPS2RAGJ5JIF

not attested not anchored not stored refs pending

Performance Measurement and Method Analysis (PMMA) for Fingerprint Reconstruction

Josphineleela Ramakrishnan, Ramakrishnan Malaisamy

arxiv:1208.1670 v1 · 2012-08-08 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NB3D5VF6MKJRK4BPS2RAGJ5JIF}

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	2026-05-18T03:49:10.934782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68763ed4be629315702f96a20327a941501f428f1af7cde677ed8576d8d3651d

Aliases

arxiv: 1208.1670 · arxiv_version: 1208.1670v1 · doi: 10.48550/arxiv.1208.1670 · pith_short_12: NB3D5VF6MKJR · pith_short_16: NB3D5VF6MKJRK4BP · pith_short_8: NB3D5VF6

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/NB3D5VF6MKJRK4BPS2RAGJ5JIF \
  | 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: 68763ed4be629315702f96a20327a941501f428f1af7cde677ed8576d8d3651d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b44beb11d5205a1ac1e718710fb20d37f974ec5df7cfb638d7df6e66f1f5eb68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-08-08T14:15:38Z",
    "title_canon_sha256": "a92b4f04ca62ae12456363d93c1466714091c1d0a8eb945d483b8cddc9b23c96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1670",
    "kind": "arxiv",
    "version": 1
  }
}