Pith Number

pith:5GE7NQ6B

pith:2013:5GE7NQ6B52YULRLH6CIUVMUR3H

not attested not anchored not stored refs pending

Apricot - An Object-Oriented Modeling Language for Hybrid Systems

Huibiao Zhu, Huixing Fang, Jianqi Shi

arxiv:1304.6498 v1 · 2013-04-24 · cs.SE · cs.LO · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5GE7NQ6B52YULRLH6CIUVMUR3H}

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	2026-05-18T03:27:12.912472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e989f6c3c1eeb145c567f0914ab291d9fb25b80e3821e2fe8c7018dda84d2296

Aliases

arxiv: 1304.6498 · arxiv_version: 1304.6498v1 · doi: 10.48550/arxiv.1304.6498 · pith_short_12: 5GE7NQ6B52YU · pith_short_16: 5GE7NQ6B52YULRLH · pith_short_8: 5GE7NQ6B

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/5GE7NQ6B52YULRLH6CIUVMUR3H \
  | 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: e989f6c3c1eeb145c567f0914ab291d9fb25b80e3821e2fe8c7018dda84d2296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4694753ef9e650deee0a82a4d16eaa9965a3cd1b5062f0c2ce348c724cc89c26",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2013-04-24T07:48:08Z",
    "title_canon_sha256": "9cf95ce08c68bb0cee8d716cfb108aea3cd0cbe305befde18d816980f71460e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6498",
    "kind": "arxiv",
    "version": 1
  }
}