Pith Number

pith:3A4VMEOQ

pith:2012:3A4VMEOQPDVJRRU3A3VNHAMG2S

not attested not anchored not stored refs pending

Tunneling with Tamm-Dancoff method

Zbigniew Ambrozinski

arxiv:1207.3898 v2 · 2012-07-17 · 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{3A4VMEOQPDVJRRU3A3VNHAMG2S}

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	2026-05-18T03:34:25.371584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8395611d078ea98c69b06ead38186d4a28854c9e10b0408420d308f6dcfc284

Aliases

arxiv: 1207.3898 · arxiv_version: 1207.3898v2 · doi: 10.48550/arxiv.1207.3898 · pith_short_12: 3A4VMEOQPDVJ · pith_short_16: 3A4VMEOQPDVJRRU3 · pith_short_8: 3A4VMEOQ

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/3A4VMEOQPDVJRRU3A3VNHAMG2S \
  | 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: d8395611d078ea98c69b06ead38186d4a28854c9e10b0408420d308f6dcfc284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a548cd381a9246985908d283d1e53150876c25fb3758cb48eb0ea71fab7f53a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-17T07:17:12Z",
    "title_canon_sha256": "2d38a50ea221b81483a52dd6c1b3ca301d0fcb16a02e78f5eccc2b7173476417"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3898",
    "kind": "arxiv",
    "version": 2
  }
}