Pith Number

pith:QSE2FKIL

pith:2002:QSE2FKILRGIUNHOQDSHUVSOWX2

not attested not anchored not stored refs pending

Reconciling MPEG-7 and MPEG-21 Semantics through a Common Event-Aware Metadata Model

Jane Hunter

arxiv:cs/0210021 v1 · 2002-10-22 · cs.MM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSE2FKILRGIUNHOQDSHUVSOWX2}

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	2026-07-04T14:24:21.622978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8489a2a90b8991469dd01c8f4ac9d6beb326697d0e311c72842d62a4bab41b92

Aliases

arxiv: cs/0210021 · arxiv_version: cs/0210021v1 · doi: 10.48550/arxiv.cs/0210021 · pith_short_12: QSE2FKILRGIU · pith_short_16: QSE2FKILRGIUNHOQ · pith_short_8: QSE2FKIL

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/QSE2FKILRGIUNHOQDSHUVSOWX2 \
  | 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: 8489a2a90b8991469dd01c8f4ac9d6beb326697d0e311c72842d62a4bab41b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29dbcbbfdf4045997fa59b2d5d96feb509a0e6a8c10bb457a436915d565013bb",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "",
    "primary_cat": "cs.MM",
    "submitted_at": "2002-10-22T02:16:57Z",
    "title_canon_sha256": "c98886810b1a5ae17c47ebeb12247e3cbd6c9977a3a830e1a69547187f88f972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0210021",
    "kind": "arxiv",
    "version": 1
  }
}