Pith Number

pith:MN7JOYJ2

pith:2009:MN7JOYJ2MUKAL6EJRKBRT47IWQ

not attested not anchored not stored refs pending

Hamilton's theory of turns revisited

N. Mukunda, R. Simon, S. Chaturvedi

arxiv:0904.4787 v1 · 2009-04-30 · 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{MN7JOYJ2MUKAL6EJRKBRT47IWQ}

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	2026-05-18T02:13:48.894553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

637e97613a651405f8898a8319f3e8b40e6349f70c348fcdbdd93fcb4db1dbcf

Aliases

arxiv: 0904.4787 · arxiv_version: 0904.4787v1 · doi: 10.48550/arxiv.0904.4787 · pith_short_12: MN7JOYJ2MUKA · pith_short_16: MN7JOYJ2MUKAL6EJ · pith_short_8: MN7JOYJ2

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/MN7JOYJ2MUKAL6EJRKBRT47IWQ \
  | 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: 637e97613a651405f8898a8319f3e8b40e6349f70c348fcdbdd93fcb4db1dbcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "940d51059b9f2ff248fe3ab2e9ba79b7a59fbdada5092355d797a2bbce707d4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-30T10:56:52Z",
    "title_canon_sha256": "026ec8e7626d25dddddd0021d896ac63175e79a62de16f0f3948ee3e01a8b331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4787",
    "kind": "arxiv",
    "version": 1
  }
}