Pith Number

pith:EZ7WDM2C

pith:2015:EZ7WDM2CJTY6E26EDLDI7OQFOJ

not attested not anchored not stored refs pending

Feynman Amplitudes and Limits of Heights

Javier Fres\'an, Jos\'e I. Burgos Gil, Omid Amini, Spencer Bloch

arxiv:1512.04862 v2 · 2015-12-15 · math.AG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZ7WDM2CJTY6E26EDLDI7OQFOJ}

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	2026-05-18T01:00:53.479910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

267f61b3424cf1e26bc41ac68fba0572778ddc2e44d2c627c34f9b10708f947a

Aliases

arxiv: 1512.04862 · arxiv_version: 1512.04862v2 · doi: 10.48550/arxiv.1512.04862 · pith_short_12: EZ7WDM2CJTY6 · pith_short_16: EZ7WDM2CJTY6E26E · pith_short_8: EZ7WDM2C

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/EZ7WDM2CJTY6E26EDLDI7OQFOJ \
  | 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: 267f61b3424cf1e26bc41ac68fba0572778ddc2e44d2c627c34f9b10708f947a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a71a430ce8ef7578feaa62f41552e9eb91a9ffa39a08cef19d382168c12967e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-12-15T17:19:16Z",
    "title_canon_sha256": "cc158cc5a79969c97bad615a640968080bd4e73746a8274cadc8dd960f9afbd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04862",
    "kind": "arxiv",
    "version": 2
  }
}