Pith Number

pith:XBP6LSCN

pith:2009:XBP6LSCND2GESDN43ZMJC7QU5R

not attested not anchored not stored refs pending

On-the-fly erasure coding for real-time video applications

Amine Bouabdallah, Emmanuel Lochin, Jerome Lacan, Pierre-Ugo Tournoux, Vincent Roca

arxiv:0904.4202 v4 · 2009-04-27 · cs.NI · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBP6LSCND2GESDN43ZMJC7QU5R}

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	2026-05-18T03:58:51.937292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b85fe5c84d1e8c490dbcde58917e14ec6c219bd4783fbca62aa4f193ad0f2d05

Aliases

arxiv: 0904.4202 · arxiv_version: 0904.4202v4 · doi: 10.48550/arxiv.0904.4202 · pith_short_12: XBP6LSCND2GE · pith_short_16: XBP6LSCND2GESDN4 · pith_short_8: XBP6LSCN

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/XBP6LSCND2GESDN43ZMJC7QU5R \
  | 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: b85fe5c84d1e8c490dbcde58917e14ec6c219bd4783fbca62aa4f193ad0f2d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9febb1de67abb1503046a442a3c565463e68bdc2d0e6e35d8bad0917ba9c5351",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2009-04-27T16:09:33Z",
    "title_canon_sha256": "bcd845e2570ab350e71f8ce40c834d7c4f032ab7b3f0f2583b3c1fdebb24eccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4202",
    "kind": "arxiv",
    "version": 4
  }
}