Pith Number

pith:FWM6F7N6

pith:2010:FWM6F7N6FLVHCIYU6TMOGF6VQH

not attested not anchored not stored refs pending

Two-Way Writing on Dirty Paper

Reza K. Farsani

arxiv:1005.3561 v1 · 2010-05-19 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWM6F7N6FLVHCIYU6TMOGF6VQH}

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	2026-05-18T03:33:38.238184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d99e2fdbe2aea712314f4d8e317d581e82d40c158314c81e6370468c8ab005a

Aliases

arxiv: 1005.3561 · arxiv_version: 1005.3561v1 · doi: 10.48550/arxiv.1005.3561 · pith_short_12: FWM6F7N6FLVH · pith_short_16: FWM6F7N6FLVHCIYU · pith_short_8: FWM6F7N6

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/FWM6F7N6FLVHCIYU6TMOGF6VQH \
  | 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: 2d99e2fdbe2aea712314f4d8e317d581e82d40c158314c81e6370468c8ab005a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99bb5fbc59c23a97b232eb0a5fecfc807f6930449b106dca8896a186e64d94f5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-05-19T21:13:35Z",
    "title_canon_sha256": "bb68563a00452bbf3736f10b5dd51b64a8805143d5cf4ec980f74bc9431effc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3561",
    "kind": "arxiv",
    "version": 1
  }
}