Pith Number

pith:2A4STOM4

pith:2026:2A4STOM44I6R2LJSO3BK4PG37Q

not attested not anchored not stored refs pending

Position Spaces and Graphs

Fr\'ed\'eric Lardeux, Fr\'ed\'eric Saubion, Rita-Nathalia Assaf, Tom Davot

arxiv:2606.25719 v1 · 2026-06-24 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2A4STOM44I6R2LJSO3BK4PG37Q}

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	2026-06-25T01:18:13.583229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d03929b99ce23d1d2d3276c2ae3cdbfc30e5256482672d2bade3d7816fb49894

Aliases

arxiv: 2606.25719 · arxiv_version: 2606.25719v1 · doi: 10.48550/arxiv.2606.25719 · pith_short_12: 2A4STOM44I6R · pith_short_16: 2A4STOM44I6R2LJS · pith_short_8: 2A4STOM4

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/2A4STOM44I6R2LJSO3BK4PG37Q \
  | 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: d03929b99ce23d1d2d3276c2ae3cdbfc30e5256482672d2bade3d7816fb49894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9f02ca611324750ff8dd8c82e81a5cb15aceecb5772552580ed73a6a4345d61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-24T11:36:00Z",
    "title_canon_sha256": "5c9a2c386cb8ea589aec522f93448adc523a8b15c4399c731a2c942a7847fb4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25719",
    "kind": "arxiv",
    "version": 1
  }
}