Pith Number

pith:EY76E25W

pith:2015:EY76E25W5S7E7ZWKOS4FCUWM5T

not attested not anchored not stored refs pending

Protocol Programming: A Connection of the Digital World

Ping Chen, Qinghua Zheng, Yanping Chen

arxiv:1508.07547 v2 · 2015-08-30 · cs.PL · 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{EY76E25W5S7E7ZWKOS4FCUWM5T}

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	2026-05-18T01:18:43.421863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263fe26bb6ecbe4fe6ca74b85152ccecc2e566f664fc4091a823883a25ec7350

Aliases

arxiv: 1508.07547 · arxiv_version: 1508.07547v2 · doi: 10.48550/arxiv.1508.07547 · pith_short_12: EY76E25W5S7E · pith_short_16: EY76E25W5S7E7ZWK · pith_short_8: EY76E25W

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/EY76E25W5S7E7ZWKOS4FCUWM5T \
  | 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: 263fe26bb6ecbe4fe6ca74b85152ccecc2e566f664fc4091a823883a25ec7350

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "babc36b016dc928fd9992b2b616bf5709a0dd7e34c75146c869e8f08fc658fea",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-08-30T09:11:14Z",
    "title_canon_sha256": "ba4d2a7854a1a24afa948fed30fc34e1b4067f0131800716ec0b8bfe4430547d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07547",
    "kind": "arxiv",
    "version": 2
  }
}