Pith Number

pith:DBVNK4H5

pith:2018:DBVNK4H5EXYHD2W2V7JNRUAYBS

not attested not anchored not stored refs pending

Interpolating Between $CP(N-1)$ and $S^{2N-1}$ Target Spaces

Daniel Schubring, Mikhail Shifman

arxiv:1809.08228 v2 · 2018-09-21 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBVNK4H5EXYHD2W2V7JNRUAYBS}

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	2026-07-05T00:39:53.605888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

186ad570fd25f071eadaafd2d8d0180ca4724f81bad92c744f507b879c275dcf

Aliases

arxiv: 1809.08228 · arxiv_version: 1809.08228v2 · doi: 10.48550/arxiv.1809.08228 · pith_short_12: DBVNK4H5EXYH · pith_short_16: DBVNK4H5EXYHD2W2 · pith_short_8: DBVNK4H5

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/DBVNK4H5EXYHD2W2V7JNRUAYBS \
  | 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: 186ad570fd25f071eadaafd2d8d0180ca4724f81bad92c744f507b879c275dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "417bac7de98bc5f56a9962dab8b4cad5e51c73f41a690b23eea9b0926df0b1c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-09-21T17:52:19Z",
    "title_canon_sha256": "399f9ffc8718cfff5d8ccca1660987e1d0c6a216f29b78b6f97383d1067492d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08228",
    "kind": "arxiv",
    "version": 2
  }
}