Pith Number

pith:GMJEPCME

pith:2005:GMJEPCMEQDOYD25HYDTKY3EP7C

not attested not anchored not stored refs pending

Spin networks, quantum automata and link invariants

Annalisa Marzuoli, Mario Rasetti, Silvano Garnerone

arxiv:gr-qc/0511161 v1 · 2005-11-30 · gr-qc · 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{GMJEPCMEQDOYD25HYDTKY3EP7C}

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	2026-05-18T01:39:20.281999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

331247898480dd81eba7c0e6ac6c8ff89819d15d970e09da45929908c33eb9fc

Aliases

arxiv: gr-qc/0511161 · arxiv_version: gr-qc/0511161v1 · doi: 10.48550/arxiv.gr-qc/0511161 · pith_short_12: GMJEPCMEQDOY · pith_short_16: GMJEPCMEQDOYD25H · pith_short_8: GMJEPCME

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/GMJEPCMEQDOYD25HYDTKY3EP7C \
  | 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: 331247898480dd81eba7c0e6ac6c8ff89819d15d970e09da45929908c33eb9fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89250d1e35d4f41a21361b3cae8e2d5911c5a4d6bf472c45941e2f2f95c91e0c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-11-30T10:59:05Z",
    "title_canon_sha256": "c1cb3d3e13f4d835f72a4c68660085d4ebb0f66ea0a739116e8b1968f622600a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0511161",
    "kind": "arxiv",
    "version": 1
  }
}