Pith Number

pith:3HMNO4MB

pith:2011:3HMNO4MB7Y7JSXWPCS2HWV6W2P

not attested not anchored not stored refs pending

Spread Decoding in Extension Fields

Anna-Lena Trautmann, Felice Manganiello

arxiv:1108.5881 v2 · 2011-08-30 · 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{3HMNO4MB7Y7JSXWPCS2HWV6W2P}

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	2026-05-18T02:49:30.160055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9d8d77181fe3e995ecf14b47b57d6d3d2e01fff316afe1be5e34fe32f2ec834

Aliases

arxiv: 1108.5881 · arxiv_version: 1108.5881v2 · doi: 10.48550/arxiv.1108.5881 · pith_short_12: 3HMNO4MB7Y7J · pith_short_16: 3HMNO4MB7Y7JSXWP · pith_short_8: 3HMNO4MB

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/3HMNO4MB7Y7JSXWPCS2HWV6W2P \
  | 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: d9d8d77181fe3e995ecf14b47b57d6d3d2e01fff316afe1be5e34fe32f2ec834

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b76ea645afd27a056449d546b4862f6143547bcbe27de9e33e67204f65985f86",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-08-30T08:55:28Z",
    "title_canon_sha256": "a1c242d1e196d0ef73118cacab62e7ff4ad17bc0231399e8ad3d36cae2a82b4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5881",
    "kind": "arxiv",
    "version": 2
  }
}