Pith Number

pith:I3RMCTJQ

pith:2026:I3RMCTJQD3NOPRR3A26D4L7ZOU

not attested not anchored not stored refs pending

CHESS: CHEbyshev pSeudo-Spectral transport for Feynman integral differential equations

Yang Zhang, Yuanche Liu

arxiv:2606.26691 v1 · 2026-06-25 · hep-ph · hep-th · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I3RMCTJQD3NOPRR3A26D4L7ZOU}

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	2026-06-26T01:15:56.900365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46e2c14d301edae7c63b06bc3e2ff97520f76796268a4e07ccf4d85001274bf2

Aliases

arxiv: 2606.26691 · arxiv_version: 2606.26691v1 · doi: 10.48550/arxiv.2606.26691 · pith_short_12: I3RMCTJQD3NO · pith_short_16: I3RMCTJQD3NOPRR3 · pith_short_8: I3RMCTJQ

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/I3RMCTJQD3NOPRR3A26D4L7ZOU \
  | 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: 46e2c14d301edae7c63b06bc3e2ff97520f76796268a4e07ccf4d85001274bf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cac5f66288ea8dc185db4998f8b17f86255e011d910f395898cdd5124c58afb",
    "cross_cats_sorted": [
      "hep-th",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-06-25T07:22:04Z",
    "title_canon_sha256": "d70062a6cec64e74450efa646643f717bc4a20a0892657d86653b5a81a62ec3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26691",
    "kind": "arxiv",
    "version": 1
  }
}