Pith Number

pith:TDYCFOJG

pith:2019:TDYCFOJG7PADQQOSTFISPAEZD2

not attested not anchored not stored refs pending

The Massless Nelson Hamiltonian and its Domain

Julian Schmidt

arxiv:1901.05751 v1 · 2019-01-17 · 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{TDYCFOJG7PADQQOSTFISPAEZD2}

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	2026-05-17T23:56:06.245111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98f022b926fbc03841d299512780991e9ef7557f8c9c3bb6ef3bd5ed914d09a7

Aliases

arxiv: 1901.05751 · arxiv_version: 1901.05751v1 · doi: 10.48550/arxiv.1901.05751 · pith_short_12: TDYCFOJG7PAD · pith_short_16: TDYCFOJG7PADQQOS · pith_short_8: TDYCFOJG

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/TDYCFOJG7PADQQOSTFISPAEZD2 \
  | 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: 98f022b926fbc03841d299512780991e9ef7557f8c9c3bb6ef3bd5ed914d09a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3339a71d14bf899a6262a5387b85fe658c73f3915243e5094fd9d105836bf4",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-01-17T12:12:40Z",
    "title_canon_sha256": "47245b254418a6fb15e5c494a08fd519f7618c8b2412ff6347adc49f911b88a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05751",
    "kind": "arxiv",
    "version": 1
  }
}