Pith Number

pith:R73X46II

pith:2014:R73X46IIXVQNWBSDLACP5NZCZL

not attested not anchored not stored refs pending

Positive Amplitudes In The Amplituhedron

Andrew Hodges, Jaroslav Trnka, Nima Arkani-Hamed

arxiv:1412.8478 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{R73X46IIXVQNWBSDLACP5NZCZL}

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	2026-05-18T01:31:45.928350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ff77e7908bd60db06435804feb722caf60ce79aa8ec3ff5f7aaadc89b7f1420

Aliases

arxiv: 1412.8478 · arxiv_version: 1412.8478v1 · doi: 10.48550/arxiv.1412.8478 · pith_short_12: R73X46IIXVQN · pith_short_16: R73X46IIXVQNWBSD · pith_short_8: R73X46II

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/R73X46IIXVQNWBSDLACP5NZCZL \
  | 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: 8ff77e7908bd60db06435804feb722caf60ce79aa8ec3ff5f7aaadc89b7f1420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f64a309a0939434566ada634b051c420f7b536ea8b1939f7ad6b2a403d8db1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-12-29T21:00:10Z",
    "title_canon_sha256": "c96d95ca4bd1c0290d16be59f6b652fd5e497c6acd40ff33eeef74d327873899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8478",
    "kind": "arxiv",
    "version": 1
  }
}