Pith Number

pith:HXQBVLMA

pith:2025:HXQBVLMAE7YOU5HAPIFO5QHMBL

not attested not anchored not stored refs pending

Soft Factor Structure of MHV Amplitudes for Massless Charged Particles

Christoph Bartsch, David Podiv\'in, Karol Kampf

arxiv:2505.16639 v1 · 2025-05-22 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HXQBVLMAE7YOU5HAPIFO5QHMBL}

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	2026-07-05T11:07:38.426437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3de01aad8027f0ea74e07a0aeec0ec0ae5107fe2662a63f88c76a12b1b24c806

Aliases

arxiv: 2505.16639 · arxiv_version: 2505.16639v1 · doi: 10.48550/arxiv.2505.16639 · pith_short_12: HXQBVLMAE7YO · pith_short_16: HXQBVLMAE7YOU5HA · pith_short_8: HXQBVLMA

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/HXQBVLMAE7YOU5HAPIFO5QHMBL \
  | 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: 3de01aad8027f0ea74e07a0aeec0ec0ae5107fe2662a63f88c76a12b1b24c806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a73e265a593f460c02cb55aeb4a5a60dad6bb21136746c118aa91b191fe363c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-05-22T13:11:39Z",
    "title_canon_sha256": "f6ec958a63f8779e175ea8d2a5547dde1e385e0b4fc60a3245f3011e41186e25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16639",
    "kind": "arxiv",
    "version": 1
  }
}