Pith Number

pith:55GOECTR

pith:2026:55GOECTR5N2PSLAFTQ3Y4FG4VO

not attested not anchored not stored refs pending

Tractogram foundation model

Fan Zhang, Guikun Chen, Lauren J. O'Donnell, Nikos Makris, Wenguan Wang, Yijie Li, Yogesh Rathi, Yuqian Chen

arxiv:2606.09893 v1 · 2026-06-03 · eess.IV · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55GOECTR5N2PSLAFTQ3Y4FG4VO}

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	2026-06-10T00:08:31.775089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef4ce20a71eb74f92c059c378e14dcab87259bba396876a0e5f7ae8428a9fda2

Aliases

arxiv: 2606.09893 · arxiv_version: 2606.09893v1 · doi: 10.48550/arxiv.2606.09893 · pith_short_12: 55GOECTR5N2P · pith_short_16: 55GOECTR5N2PSLAF · pith_short_8: 55GOECTR

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/55GOECTR5N2PSLAFTQ3Y4FG4VO \
  | 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: ef4ce20a71eb74f92c059c378e14dcab87259bba396876a0e5f7ae8428a9fda2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983c8ab680c528251d669b353572819e5c05a762f215be4488c18eeb617a96d9",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-06-03T19:45:23Z",
    "title_canon_sha256": "321de9cc87769e9fca59a3127c5d32b875fa631512afe51926dd0ddf80c07b7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09893",
    "kind": "arxiv",
    "version": 1
  }
}