Pith Number

pith:IDEY42R4

pith:2016:IDEY42R45HUQIKMOM5TS5TPKZI

not attested not anchored not stored refs pending

Covariant and single-field effective action with the background-field formalism

Gian Paolo Vacca, Mahmoud Safari

arxiv:1607.03053 v2 · 2016-07-11 · 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{IDEY42R45HUQIKMOM5TS5TPKZI}

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	2026-05-18T00:33:10.771383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c98e6a3ce9e904298e67672ecdeaca1189cf51cf9011c9af418ef035a3f702

Aliases

arxiv: 1607.03053 · arxiv_version: 1607.03053v2 · doi: 10.48550/arxiv.1607.03053 · pith_short_12: IDEY42R45HUQ · pith_short_16: IDEY42R45HUQIKMO · pith_short_8: IDEY42R4

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/IDEY42R45HUQIKMOM5TS5TPKZI \
  | 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: 40c98e6a3ce9e904298e67672ecdeaca1189cf51cf9011c9af418ef035a3f702

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89b985ef810f5597d2678160b413d139824adcffa110215e3c03945f9f307b51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-07-11T17:37:45Z",
    "title_canon_sha256": "ba5ef3f394eec25889744ae25d5b2f319998469b735b644938ade81ed56abc2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03053",
    "kind": "arxiv",
    "version": 2
  }
}