Pith Number

pith:ETQIOXGF

pith:2011:ETQIOXGF2OOWFPOXJAQZ64M37E

not attested not anchored not stored refs pending

Field-parametrization dependence of Dirac's method for constrained Hamiltonians with first-class constraints: failure or triumph? Non-covariant models

N. Kiriushcheva, P.G. Komorowski, S.V. Kuzmin

arxiv:1112.5637 v1 · 2011-12-23 · 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{ETQIOXGF2OOWFPOXJAQZ64M37E}

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	2026-05-18T04:05:46.398083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e0875cc5d39d62bdd748219f719bf9386688ea4c7af109fb43aea8335e074c

Aliases

arxiv: 1112.5637 · arxiv_version: 1112.5637v1 · doi: 10.48550/arxiv.1112.5637 · pith_short_12: ETQIOXGF2OOW · pith_short_16: ETQIOXGF2OOWFPOX · pith_short_8: ETQIOXGF

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/ETQIOXGF2OOWFPOXJAQZ64M37E \
  | 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: 24e0875cc5d39d62bdd748219f719bf9386688ea4c7af109fb43aea8335e074c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d48316fe1f1d54c4e4bc165093aa685fbb32f0a7b12a20b58e3b489cea033eee",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-12-23T19:04:04Z",
    "title_canon_sha256": "9f59cc9416ed1c88825ed001eed3a8a809ff2320d145ca86f8a6956d9ecf821f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5637",
    "kind": "arxiv",
    "version": 1
  }
}