Pith Number

pith:MOA4QKIA

pith:2004:MOA4QKIAOUCWBEIN7BYPHT6NCQ

not attested not anchored not stored refs pending

Non-Supersymmetric Loop Amplitudes and MHV Vertices

Andreas Brandhuber, Bill Spence, Gabriele Travaglini, James Bedford

arxiv:hep-th/0412108 v2 · 2004-12-10 · hep-th · hep-ph

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

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	2026-05-18T04:33:27.539967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6381c82900750560910df870f3cfcd141cfe43765a45e36cd81ff311215d92e8

Aliases

arxiv: hep-th/0412108 · arxiv_version: hep-th/0412108v2 · doi: 10.48550/arxiv.hep-th/0412108 · pith_short_12: MOA4QKIAOUCW · pith_short_16: MOA4QKIAOUCWBEIN · pith_short_8: MOA4QKIA

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/MOA4QKIAOUCWBEIN7BYPHT6NCQ \
  | 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: 6381c82900750560910df870f3cfcd141cfe43765a45e36cd81ff311215d92e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d11e783704b44737a4de1d1bb8c278cb5177092ec9df3bf370de3d5fa757c3b1",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-12-10T17:41:09Z",
    "title_canon_sha256": "41775c2c72e96b0f0feb8944bdf2d9a21f274fbe2eb3731fd0301c3e35859d7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0412108",
    "kind": "arxiv",
    "version": 2
  }
}