Pith Number

pith:CFDWMPZ2

pith:2019:CFDWMPZ2HKTATCDHJPXWX5MT64

not attested not anchored not stored refs pending

A Reliabel and an efficient web testing system

Kamran Ali, Xia Xiaoling

arxiv:1903.01221 v1 · 2019-02-08 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFDWMPZ2HKTATCDHJPXWX5MT64}

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	2026-05-17T23:52:09.809373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1147663f3a3aa60988674bef6bf593f730d8477544722a59f627edef0af5cbf1

Aliases

arxiv: 1903.01221 · arxiv_version: 1903.01221v1 · doi: 10.48550/arxiv.1903.01221 · pith_short_12: CFDWMPZ2HKTA · pith_short_16: CFDWMPZ2HKTATCDH · pith_short_8: CFDWMPZ2

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/CFDWMPZ2HKTATCDHJPXWX5MT64 \
  | 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: 1147663f3a3aa60988674bef6bf593f730d8477544722a59f627edef0af5cbf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e9d4b26a353fcb8f45d432259df5c711028b7cd2017c9c8d1ed8a806f81415b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-02-08T16:55:38Z",
    "title_canon_sha256": "eddea8778b219cf6ee1f972e5dab31142ce371aad239f0fc56c56fead75ea7ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01221",
    "kind": "arxiv",
    "version": 1
  }
}