pith. sign in
Pith Number

pith:VNKQZUZX

pith:2011:VNKQZUZXDW6VJXUBVE7XSWPJT2
not attested not anchored not stored refs pending

SPAM -- Technological and Legal Aspects

Jameel A. Qadri, M. Tariq Banday

arxiv:1112.5621 v1 · 2011-12-23 · cs.CR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VNKQZUZXDW6VJXUBVE7XSWPJT2}

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 2026-05-18T04:05:46.426127Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ab550cd3371dbd54de81a93f7959e99e82a1c066bde2b85a227aeee4f3c1b9b4

Aliases

arxiv: 1112.5621 · arxiv_version: 1112.5621v1 · doi: 10.48550/arxiv.1112.5621 · pith_short_12: VNKQZUZXDW6V · pith_short_16: VNKQZUZXDW6VJXUB · pith_short_8: VNKQZUZX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VNKQZUZXDW6VJXUBVE7XSWPJT2 \
  | 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: ab550cd3371dbd54de81a93f7959e99e82a1c066bde2b85a227aeee4f3c1b9b4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3f16646101b0552dafcc43e5585a9010fd29ccc3c9e60a1de55db2a7ab126edf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-12-23T17:25:27Z",
    "title_canon_sha256": "26e3c9e7854f8c1122190fa5f9547beb23b99bdd436a6cf84beab236f5104406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5621",
    "kind": "arxiv",
    "version": 1
  }
}