Pith Number

pith:QDD2GR7I

pith:2018:QDD2GR7IAEYIILLSER52TAWCPY

not attested not anchored not stored refs pending

Subregion Action and Complexity

Komeil Babaei Velni, Mohsen Alishahiha, M. Reza Mohammadi Mozaffar

arxiv:1809.06031 v3 · 2018-09-17 · hep-th · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDD2GR7IAEYIILLSER52TAWCPY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:41:22.077364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80c7a347e80130842d72247ba982c27e336cd23899ddc439f7dab06c4bd0ae8a

Aliases

arxiv: 1809.06031 · arxiv_version: 1809.06031v3 · doi: 10.48550/arxiv.1809.06031 · pith_short_12: QDD2GR7IAEYI · pith_short_16: QDD2GR7IAEYIILLS · pith_short_8: QDD2GR7I

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/QDD2GR7IAEYIILLSER52TAWCPY \
  | 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: 80c7a347e80130842d72247ba982c27e336cd23899ddc439f7dab06c4bd0ae8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a7a5b2eeec415806b402dc5776c4d05c30a5df27b139cd4ce5d941971eab78c",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-09-17T06:09:43Z",
    "title_canon_sha256": "54b868ce05d5e9807276d13efad65ea49160071ba5bd44fe8c7011fcb91b7a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06031",
    "kind": "arxiv",
    "version": 3
  }
}