Pith Number

pith:IKEV5PWQ

pith:2012:IKEV5PWQ5IPZG4IQ3IN2FFMUCY

not attested not anchored not stored refs pending

Landau meets Newton: time translation symmetry breaking in classical mechanics

Liu Zhao, Pengfei Yu, Wei Xu

arxiv:1208.5974 v2 · 2012-08-29 · gr-qc · 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{IKEV5PWQ5IPZG4IQ3IN2FFMUCY}

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	2026-05-18T03:46:33.933455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42895ebed0ea1f937110da1ba29594163efb37a7522957bdf8c98aecf9eb8825

Aliases

arxiv: 1208.5974 · arxiv_version: 1208.5974v2 · doi: 10.48550/arxiv.1208.5974 · pith_short_12: IKEV5PWQ5IPZ · pith_short_16: IKEV5PWQ5IPZG4IQ · pith_short_8: IKEV5PWQ

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/IKEV5PWQ5IPZG4IQ3IN2FFMUCY \
  | 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: 42895ebed0ea1f937110da1ba29594163efb37a7522957bdf8c98aecf9eb8825

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "968b3ccace950d2ed85672642c81ffdbe294d2e64dd5495f75f7ca2b4c8c1af8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-29T17:32:40Z",
    "title_canon_sha256": "f0805301eb2a816cafd61fb1255b22ad57e785f8fda0a97fd94ea20a732c3a6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5974",
    "kind": "arxiv",
    "version": 2
  }
}