Pith Number

pith:ZPV4SNKL

pith:2019:ZPV4SNKLOF2NFQVUVRP6Y6ZQTO

not attested not anchored not stored refs pending

Amplitudes, Gravity and Classical Discontinuities

Amanda Weltman, Daniel J. Burger, Jeff Murugan, Nathan Moynihan, Raul Carballo-Rubio

arxiv:1905.05128 v1 · 2019-05-13 · 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{ZPV4SNKLOF2NFQVUVRP6Y6ZQTO}

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	2026-05-17T23:46:22.474547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbebc9354b7174d2c2b4ac5fec7b309b8f64377207803ea57e5e5866fbdf748c

Aliases

arxiv: 1905.05128 · arxiv_version: 1905.05128v1 · doi: 10.48550/arxiv.1905.05128 · pith_short_12: ZPV4SNKLOF2N · pith_short_16: ZPV4SNKLOF2NFQVU · pith_short_8: ZPV4SNKL

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/ZPV4SNKLOF2NFQVUVRP6Y6ZQTO \
  | 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: cbebc9354b7174d2c2b4ac5fec7b309b8f64377207803ea57e5e5866fbdf748c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ca5086f78472fb5e168445abc32bfd1ce18cbe4773c270d4d3b0a7a009092db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-05-13T16:32:15Z",
    "title_canon_sha256": "49e683e911020cae43566b907ee1c783ccab9e19d276080e7c8a77f6987d5871"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05128",
    "kind": "arxiv",
    "version": 1
  }
}