Pith Number

pith:4SI2SZ5P

pith:2019:4SI2SZ5PVVTNVM36QPMBEIAA5O

not attested not anchored not stored refs pending

Dialog on a canvas with a machine

Charly Ferrandes, Louis Thiry, Thomas Kerdreux, Tina Campana, Vivien Cabannes

arxiv:1910.04386 v2 · 2019-10-10 · cs.GR · cs.AI · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SI2SZ5PVVTNVM36QPMBEIAA5O}

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	2026-07-05T02:14:51.969864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e491a967afad66dab37e83d8122000eb9f1ea43150a98e5c2e9fc047b1bfe8c1

Aliases

arxiv: 1910.04386 · arxiv_version: 1910.04386v2 · doi: 10.48550/arxiv.1910.04386 · pith_short_12: 4SI2SZ5PVVTN · pith_short_16: 4SI2SZ5PVVTNVM36 · pith_short_8: 4SI2SZ5P

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/4SI2SZ5PVVTNVM36QPMBEIAA5O \
  | 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: e491a967afad66dab37e83d8122000eb9f1ea43150a98e5c2e9fc047b1bfe8c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cb4f379bc0583765ec5710aeb8a677164e63de45f17736225079786a4252769",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2019-10-10T06:33:28Z",
    "title_canon_sha256": "1ebc793ebdc4660c9d06f21f4a642c3c27119812b8d98a4e13671f44196a5ab4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04386",
    "kind": "arxiv",
    "version": 2
  }
}