Pith Number

pith:FZVN6TF2

pith:2002:FZVN6TF2HGBBNRYVZ6RQAC26PY

not attested not anchored not stored refs pending

Fast optical layer mesh protection using pre-cross-connected trails

Anthony M. Ffrench, Fabian Chudak, Timothy Y. Chow

arxiv:cs/0209006 v2 · 2002-09-03 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZVN6TF2HGBBNRYVZ6RQAC26PY}

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	2026-05-18T00:57:45.218268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e6adf4cba398216c715cfa3000b5e7e2d37f13cd1b18603a1b62f92097da3a3

Aliases

arxiv: cs/0209006 · arxiv_version: cs/0209006v2 · doi: 10.48550/arxiv.cs/0209006 · pith_short_12: FZVN6TF2HGBB · pith_short_16: FZVN6TF2HGBBNRYV · pith_short_8: FZVN6TF2

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/FZVN6TF2HGBBNRYVZ6RQAC26PY \
  | 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: 2e6adf4cba398216c715cfa3000b5e7e2d37f13cd1b18603a1b62f92097da3a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a01d9a4020b52c50c5ff86f612e7deb8ce0bc2cf01be3a1d105d148307d867cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.NI",
    "submitted_at": "2002-09-03T20:34:12Z",
    "title_canon_sha256": "d7bb5016e04f306f06bd365875b9d4ccf1e0ffa7a1e438a11923e455a0cda0a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0209006",
    "kind": "arxiv",
    "version": 2
  }
}