Pith Number

pith:OCALFFPM

pith:2014:OCALFFPMQ67PRO7EXIEBYKWEFQ

not attested not anchored not stored refs pending

En route to Background Independence: Broken split-symmetry, and how to restore it with bi-metric average actions

Daniel Becker, Martin Reuter

arxiv:1404.4537 v2 · 2014-04-17 · 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{OCALFFPMQ67PRO7EXIEBYKWEFQ}

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	2026-05-18T02:42:37.082095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7080b295ec87bef8bbe4ba081c2ac42c0809cbfc279eaa3deaad67feb7d85f41

Aliases

arxiv: 1404.4537 · arxiv_version: 1404.4537v2 · doi: 10.48550/arxiv.1404.4537 · pith_short_12: OCALFFPMQ67P · pith_short_16: OCALFFPMQ67PRO7E · pith_short_8: OCALFFPM

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/OCALFFPMQ67PRO7EXIEBYKWEFQ \
  | 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: 7080b295ec87bef8bbe4ba081c2ac42c0809cbfc279eaa3deaad67feb7d85f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4e386584a0e1871c61a02a856fd61c55aa57bfba3236e439249dd4ae7db3253",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-04-17T14:20:49Z",
    "title_canon_sha256": "78c109491b77e5357c80a9c407afe32b2335db1f914909cdfa255f754ac6c384"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4537",
    "kind": "arxiv",
    "version": 2
  }
}