Pith Number

pith:WEP5F3YG

pith:2010:WEP5F3YGF25QG42HJWNBWS4NAR

not attested not anchored not stored refs pending

Geometric characteristics of quantum evolution: curvature and torsion

H.P. Laba, V.M. Tkachuk

arxiv:1006.4447 v3 · 2010-06-23 · quant-ph · math-ph · 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{WEP5F3YGF25QG42HJWNBWS4NAR}

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	2026-05-18T00:47:34.201247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b11fd2ef062ebb0373474d9a1b4b8d04522d4b25cbadcd1ca30c90caaf6750a8

Aliases

arxiv: 1006.4447 · arxiv_version: 1006.4447v3 · doi: 10.48550/arxiv.1006.4447 · pith_short_12: WEP5F3YGF25Q · pith_short_16: WEP5F3YGF25QG42H · pith_short_8: WEP5F3YG

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/WEP5F3YGF25QG42HJWNBWS4NAR \
  | 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: b11fd2ef062ebb0373474d9a1b4b8d04522d4b25cbadcd1ca30c90caaf6750a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad6fe62b9ec2c3d4435bd1df160c6e383b193a7ea999829b8e3fd51ce83efb4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-06-23T08:49:57Z",
    "title_canon_sha256": "364777ff5219be7126eb3cb6e3220aa1118da5d3073661f38bcc29ff108d25d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4447",
    "kind": "arxiv",
    "version": 3
  }
}