Pith Number

pith:QUWJP23U

pith:2015:QUWJP23UOGOASK7G646I5I4API

not attested not anchored not stored refs pending

Distance Spectrum of Fixed-Rate Raptor Codes with Linear Random Precoders

Enrico Paolini, Francisco L\'azaro, Gerhard Bauch, Gianluigi Liva

arxiv:1511.00562 v1 · 2015-11-02 · 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{QUWJP23UOGOASK7G646I5I4API}

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	2026-05-18T01:28:11.992856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

852c97eb74719c092be6f73c8ea3807a0af566fad2d49a974519de3ac4447061

Aliases

arxiv: 1511.00562 · arxiv_version: 1511.00562v1 · doi: 10.48550/arxiv.1511.00562 · pith_short_12: QUWJP23UOGOA · pith_short_16: QUWJP23UOGOASK7G · pith_short_8: QUWJP23U

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/QUWJP23UOGOASK7G646I5I4API \
  | 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: 852c97eb74719c092be6f73c8ea3807a0af566fad2d49a974519de3ac4447061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f28ef711934a5c164cd696f12e9dc8e438e140c94e32e11015771bfeec1ff26e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-02T15:51:47Z",
    "title_canon_sha256": "468569a3f4fbc1e22d99a9682513aa5db4805202606c8eb2d0c1b63aac6bb87b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00562",
    "kind": "arxiv",
    "version": 1
  }
}