Pith Number

pith:5X5ANYG5

pith:2011:5X5ANYG5Q47MM52AZBWPO3JMK7

not attested not anchored not stored refs pending

Proceedings 6th International Workshop on Computing with Terms and Graphs

Rachid Echahed

arxiv:1102.2268 v1 · 2011-02-11 · cs.LO · 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{5X5ANYG5Q47MM52AZBWPO3JMK7}

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	2026-05-18T04:28:56.399916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edfa06e0dd873ec67740c86cf76d2c57e87f83cbcefaa6b840ec16ac1ea6e00b

Aliases

arxiv: 1102.2268 · arxiv_version: 1102.2268v1 · doi: 10.48550/arxiv.1102.2268 · pith_short_12: 5X5ANYG5Q47M · pith_short_16: 5X5ANYG5Q47MM52A · pith_short_8: 5X5ANYG5

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/5X5ANYG5Q47MM52AZBWPO3JMK7 \
  | 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: edfa06e0dd873ec67740c86cf76d2c57e87f83cbcefaa6b840ec16ac1ea6e00b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c20f2a52d23e15fb5a14bf2d28ce806a8e7b8c1f18ebb03f859d6c4ba6acb8",
    "cross_cats_sorted": [
      "cs.PL",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-02-11T02:27:39Z",
    "title_canon_sha256": "7a5c768bc3f923e768d321a69993e2171e6b311b49d28199b5aeb254103a7136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2268",
    "kind": "arxiv",
    "version": 1
  }
}