Pith Number

pith:7RH4KIZ5

pith:2018:7RH4KIZ5CEEIIWRRRU2IC2KSC2

not attested not anchored not stored refs pending

All rational one-loop Einstein-Yang-Mills amplitudes at four points

Dhritiman Nandan, Gabriele Travaglini, Jan Plefka

arxiv:1803.08497 v1 · 2018-03-22 · 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	2026-05-18T00:04:59.163298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc4fc5233d1108845a318d34816952168297acdd45bdece5e675ef7345907a5f

Aliases

arxiv: 1803.08497 · arxiv_version: 1803.08497v1 · doi: 10.48550/arxiv.1803.08497 · pith_short_12: 7RH4KIZ5CEEI · pith_short_16: 7RH4KIZ5CEEIIWRR · pith_short_8: 7RH4KIZ5

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/7RH4KIZ5CEEIIWRRRU2IC2KSC2 \
  | 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: fc4fc5233d1108845a318d34816952168297acdd45bdece5e675ef7345907a5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd6a09df13f4b641d699b94670ebbaf7171ff28ae7eef5f78c77daef94523e73",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-03-22T17:59:57Z",
    "title_canon_sha256": "0d7bd44cea018896f39919716f9355ea54a4b2552cc81fc6b75b5a50323b986f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08497",
    "kind": "arxiv",
    "version": 1
  }
}