Pith Number

pith:ZRQWULEP

pith:2018:ZRQWULEPIANJ4JDNUMPNTPUVHD

not attested not anchored not stored refs pending

Notes on Scattering Amplitudes as Differential Forms

Chi Zhang, Song He

arxiv:1807.11051 v2 · 2018-07-29 · 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{ZRQWULEPIANJ4JDNUMPNTPUVHD}

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	2026-05-18T00:00:51.564514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc616a2c8f401a9e246da31ed9be9538ea90767f0d9368c6a530fe6b3116ccd8

Aliases

arxiv: 1807.11051 · arxiv_version: 1807.11051v2 · doi: 10.48550/arxiv.1807.11051 · pith_short_12: ZRQWULEPIANJ · pith_short_16: ZRQWULEPIANJ4JDN · pith_short_8: ZRQWULEP

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/ZRQWULEPIANJ4JDNUMPNTPUVHD \
  | 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: cc616a2c8f401a9e246da31ed9be9538ea90767f0d9368c6a530fe6b3116ccd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16fefab6ccf626093700c6f2fcea5ab5d2b6e796af54f4471ae0cdbf38a6fe3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-07-29T13:23:40Z",
    "title_canon_sha256": "fb2dcdac518aec26040c6d7f4497e9dbe9cc8c1d30345e33645121618f9c7716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11051",
    "kind": "arxiv",
    "version": 2
  }
}