Pith Number

pith:ALF6QS62

pith:2009:ALF6QS62GCAPFKX56N2ROQ7WV5

not attested not anchored not stored refs pending

Effective Constraints for Relativistic Quantum Systems

Artur Tsobanjan, Martin Bojowald

arxiv:0906.1772 v2 · 2009-06-09 · math-ph · gr-qc · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALF6QS62GCAPFKX56N2ROQ7WV5}

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	2026-07-04T17:17:00.717220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02cbe84bda3080f2aafdf3751743f6af49fa1cb76e8e0406ce81567f168057a6

Aliases

arxiv: 0906.1772 · arxiv_version: 0906.1772v2 · doi: 10.48550/arxiv.0906.1772 · pith_short_12: ALF6QS62GCAP · pith_short_16: ALF6QS62GCAPFKX5 · pith_short_8: ALF6QS62

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/ALF6QS62GCAPFKX56N2ROQ7WV5 \
  | 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: 02cbe84bda3080f2aafdf3751743f6af49fa1cb76e8e0406ce81567f168057a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "266b04e2c8a621809f3e7ef7d6deed4ceccb8e4fb0c936e9c20de7c202c30e4a",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-06-09T16:09:22Z",
    "title_canon_sha256": "f51d5c1bbe6ffa665f55f8ae153349bdcd84d3d6607c22eef23443012f625c64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1772",
    "kind": "arxiv",
    "version": 2
  }
}