Pith Number

pith:2VALGOPK

pith:2025:2VALGOPK2PAUUGV53VWUAOCNZ6

not attested not anchored not stored refs pending

Axiomatic quantum electrodynamics: from causality to convexity of effective action

Anatoly E. Shabad

arxiv:2505.06715 v1 · 2025-05-10 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VALGOPK2PAUUGV53VWUAOCNZ6}

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	2026-07-05T11:01:14.848115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d540b339ead3c14a1abddd6d40384dcf808516cfc681744f84fada3c66226af1

Aliases

arxiv: 2505.06715 · arxiv_version: 2505.06715v1 · doi: 10.48550/arxiv.2505.06715 · pith_short_12: 2VALGOPK2PAU · pith_short_16: 2VALGOPK2PAUUGV5 · pith_short_8: 2VALGOPK

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/2VALGOPK2PAUUGV53VWUAOCNZ6 \
  | 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: d540b339ead3c14a1abddd6d40384dcf808516cfc681744f84fada3c66226af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f56af280c88407828c90f8b8cfb6c83174d80fa1bfcc708a7ab1c8f83560368",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-05-10T17:42:29Z",
    "title_canon_sha256": "6299788d0e8d83b8ce7e64ca452ecde32a9dd8cf47074eeb05d02832b13e5017"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06715",
    "kind": "arxiv",
    "version": 1
  }
}