Pith Number

pith:SQCCQEIT

pith:2011:SQCCQEITYYS3ARHWVIVRPLXMSL

not attested not anchored not stored refs pending

SafeZone: A Hierarchical Inter-Domain Authenticated Source Address Validation Solution

Jian-ping Wu, Jie Li, Ke Xu

arxiv:1103.3766 v1 · 2011-03-19 · 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{SQCCQEITYYS3ARHWVIVRPLXMSL}

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	2026-05-18T04:26:22.364060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9404281113c625b044f6aa2b17aeec92cc4600cc311c648d5b01ff55fb165aea

Aliases

arxiv: 1103.3766 · arxiv_version: 1103.3766v1 · doi: 10.48550/arxiv.1103.3766 · pith_short_12: SQCCQEITYYS3 · pith_short_16: SQCCQEITYYS3ARHW · pith_short_8: SQCCQEIT

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/SQCCQEITYYS3ARHWVIVRPLXMSL \
  | 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: 9404281113c625b044f6aa2b17aeec92cc4600cc311c648d5b01ff55fb165aea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c7e790f4abea98334a161500d441b5b0081242dde30838fd5831e47823283ae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2011-03-19T09:04:31Z",
    "title_canon_sha256": "7ff1c466e63805081409fc560f1bf97d9b2785164a298f33c38bddf31d4c87a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3766",
    "kind": "arxiv",
    "version": 1
  }
}