Pith Number

pith:KWORAPX2

pith:2011:KWORAPX2PLPHEZ4D5OKJGIS7HQ

not attested not anchored not stored refs pending

Importance of Reversibility in the Quantum Formalism

Francois David

arxiv:1103.3454 v3 · 2011-03-17 · quant-ph · gr-qc · hep-th · 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{KWORAPX2PLPHEZ4D5OKJGIS7HQ}

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	2026-05-18T04:10:12.321455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

559d103efa7ade726783eb9493225f3c15ad6636c10bcdbd013fbb9ef6f3b34c

Aliases

arxiv: 1103.3454 · arxiv_version: 1103.3454v3 · doi: 10.48550/arxiv.1103.3454 · pith_short_12: KWORAPX2PLPH · pith_short_16: KWORAPX2PLPHEZ4D · pith_short_8: KWORAPX2

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/KWORAPX2PLPHEZ4D5OKJGIS7HQ \
  | 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: 559d103efa7ade726783eb9493225f3c15ad6636c10bcdbd013fbb9ef6f3b34c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcb3c88dc6abc488a240d64fe79a77feb4102f48c0c88601d211c982d871e3eb",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-03-17T16:27:58Z",
    "title_canon_sha256": "ae5cd82cb9ea4895d0f7607e2fe16cb516b1a882dff2673e20c6e17080c4eed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3454",
    "kind": "arxiv",
    "version": 3
  }
}