Pith Number

pith:OKFUY5M4

pith:2016:OKFUY5M4A57LR33JNTN6C2KCW7

not attested not anchored not stored refs pending

A Model-based Approach for Effective Service Delivery

Chi-Hung Chi, Feng-Lin Li

arxiv:1604.05389 v2 · 2016-04-19 · 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{OKFUY5M4A57LR33JNTN6C2KCW7}

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	2026-05-18T01:13:11.101214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

728b4c759c077eb8ef696cdbe16942b7ecbd98643cfcede39284a7ae018f95e3

Aliases

arxiv: 1604.05389 · arxiv_version: 1604.05389v2 · doi: 10.48550/arxiv.1604.05389 · pith_short_12: OKFUY5M4A57L · pith_short_16: OKFUY5M4A57LR33J · pith_short_8: OKFUY5M4

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/OKFUY5M4A57LR33JNTN6C2KCW7 \
  | 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: 728b4c759c077eb8ef696cdbe16942b7ecbd98643cfcede39284a7ae018f95e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a4c816fc13de73c4be959a3ef2d9873eb5888d4a2b32c50964bdd5fb8228417",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-04-19T00:43:49Z",
    "title_canon_sha256": "d3ee792f1c8777c7d2b79687f0908fe42c4d1c1bea6e332cf8765b2466e73f54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05389",
    "kind": "arxiv",
    "version": 2
  }
}