Pith Number

pith:FIV2QNZO

pith:2012:FIV2QNZO3F22JN46D2ZVITLNQX

not attested not anchored not stored refs pending

Analysis of LT Codes with Unequal Recovery Time

Jan {\O}stergaard, Jesper H. S{\o}rensen, Petar Popovski

arxiv:1204.4686 v1 · 2012-04-20 · 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{FIV2QNZO3F22JN46D2ZVITLNQX}

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	2026-05-18T03:57:25.694865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a2ba8372ed975a4b79e1eb3544d6d85f828032937ed7a661b81dbf4624f8db5

Aliases

arxiv: 1204.4686 · arxiv_version: 1204.4686v1 · doi: 10.48550/arxiv.1204.4686 · pith_short_12: FIV2QNZO3F22 · pith_short_16: FIV2QNZO3F22JN46 · pith_short_8: FIV2QNZO

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/FIV2QNZO3F22JN46D2ZVITLNQX \
  | 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: 2a2ba8372ed975a4b79e1eb3544d6d85f828032937ed7a661b81dbf4624f8db5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4167a5f858b64d5742649400ebae92048b0472411fdf673735b77eca1ae4d179",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-04-20T17:38:23Z",
    "title_canon_sha256": "e1f9aab598d1d985fd017be7677b1a09ae785f8b8bbd1321ce0280784bb91af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4686",
    "kind": "arxiv",
    "version": 1
  }
}