Pith Number

pith:FON52PW7

pith:2012:FON52PW7LQY7UOD65MDFRDGKEV

not attested not anchored not stored refs pending

Entropy and entanglement in polymer quantization

Daniel R. Terno, Tommaso F. Demarie

arxiv:1209.3087 v2 · 2012-09-14 · gr-qc · hep-th · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FON52PW7LQY7UOD65MDFRDGKEV}

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	2026-05-18T03:12:09.091720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b9bdd3edf5c31fa387eeb06588cca254d02aeb426b44debfd9d2f6604266e00

Aliases

arxiv: 1209.3087 · arxiv_version: 1209.3087v2 · doi: 10.48550/arxiv.1209.3087 · pith_short_12: FON52PW7LQY7 · pith_short_16: FON52PW7LQY7UOD6 · pith_short_8: FON52PW7

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/FON52PW7LQY7UOD65MDFRDGKEV \
  | 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: 2b9bdd3edf5c31fa387eeb06588cca254d02aeb426b44debfd9d2f6604266e00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82b2f7429ed2d08410521b722b8c3073c4cefaa7dd28cfb60dc7f99348052ad6",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-09-14T03:55:37Z",
    "title_canon_sha256": "0145af36237fdb46a95109bf826ab0e32fb966e56d40bb796c77000ee780e7af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3087",
    "kind": "arxiv",
    "version": 2
  }
}