Pith Number

pith:YTYANOLM

pith:2014:YTYANOLM7AJSPIRI6RTEEGSC4W

not attested not anchored not stored refs pending

On-Shell Structures of MHV Amplitudes Beyond the Planar Limit

Alexander Postnikov, Freddy Cachazo, Jacob L. Bourjaily, Jaroslav Trnka, Nima Arkani-Hamed

arxiv:1412.8475 v1 · 2014-12-29 · 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{YTYANOLM7AJSPIRI6RTEEGSC4W}

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	2026-05-18T02:30:17.333685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f006b96cf81327a228f466421a42e5a5fddca6589d5b12aa2f6604813109e6

Aliases

arxiv: 1412.8475 · arxiv_version: 1412.8475v1 · doi: 10.48550/arxiv.1412.8475 · pith_short_12: YTYANOLM7AJS · pith_short_16: YTYANOLM7AJSPIRI · pith_short_8: YTYANOLM

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/YTYANOLM7AJSPIRI6RTEEGSC4W \
  | 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: c4f006b96cf81327a228f466421a42e5a5fddca6589d5b12aa2f6604813109e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7b21d603b604362f008219b1bb36b1ca8b4028e3b094e370710a0d746be5404",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-12-29T21:00:03Z",
    "title_canon_sha256": "eb4f8254eb1375724e3370ef8f24655f824bafcc9a329e7198d276e4b37caeca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8475",
    "kind": "arxiv",
    "version": 1
  }
}