Pith Number

pith:WDYS7RHY

pith:2017:WDYS7RHYC4TUA4JKAOST2LDNBO

not attested not anchored not stored refs pending

Loop Amplitudes in an Extended Gravity Theory

David C. Dunbar, Guy R. Jehu, John H. Godwin, Warren B. Perkins

arxiv:1711.05526 v2 · 2017-11-15 · 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{WDYS7RHYC4TUA4JKAOST2LDNBO}

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	2026-05-18T00:22:27.412607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f12fc4f8172740712a03a53d2c6d0bbeeb941ca5e5c95a32d29904caf81eff

Aliases

arxiv: 1711.05526 · arxiv_version: 1711.05526v2 · doi: 10.48550/arxiv.1711.05526 · pith_short_12: WDYS7RHYC4TU · pith_short_16: WDYS7RHYC4TUA4JK · pith_short_8: WDYS7RHY

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/WDYS7RHYC4TUA4JKAOST2LDNBO \
  | 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: b0f12fc4f8172740712a03a53d2c6d0bbeeb941ca5e5c95a32d29904caf81eff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dca93eb7c992855f8ee94cb72ba12eca33b3f027200146a1f4d488bedd08121f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-11-15T12:30:38Z",
    "title_canon_sha256": "3dcb9470ff21e4cc5701b3e94544b0005a226a54bb41fd763d334074414d2054"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05526",
    "kind": "arxiv",
    "version": 2
  }
}