Pith Number

pith:3WKNMSK6

pith:2013:3WKNMSK6LA6HMX64LMAR5N2H5E

not attested not anchored not stored refs pending

Quantum field theory on curved spacetime and the standard cosmological model

Klaus Fredenhagen, Thomas-Paul Hack

arxiv:1308.6773 v1 · 2013-08-30 · math-ph · gr-qc · 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{3WKNMSK6LA6HMX64LMAR5N2H5E}

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	2026-05-18T03:14:30.943816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd94d6495e583c765fdc5b011eb747e931412e4c0c3e734e34bb62830a3b92f7

Aliases

arxiv: 1308.6773 · arxiv_version: 1308.6773v1 · doi: 10.48550/arxiv.1308.6773 · pith_short_12: 3WKNMSK6LA6H · pith_short_16: 3WKNMSK6LA6HMX64 · pith_short_8: 3WKNMSK6

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/3WKNMSK6LA6HMX64LMAR5N2H5E \
  | 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: dd94d6495e583c765fdc5b011eb747e931412e4c0c3e734e34bb62830a3b92f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22bf23c4dae2060c590f54cc61d9ccd419f86d31c4183c7f47f24bd6bfa5292",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-08-30T15:38:33Z",
    "title_canon_sha256": "d9cbaef77e40d4db1b0f879fadb405b4d79094437cba38f0536039eb841a4659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6773",
    "kind": "arxiv",
    "version": 1
  }
}