Pith Number

pith:I3JBKX7H

pith:2009:I3JBKX7HAJWVZNB4DMY2S4PKRT

not attested not anchored not stored refs pending

Gaussian modeling and Schmidt modes of SPDS biphoton states

M.V. Fedorov, P.A. Volkov, Yu.M. Mikhailova

arxiv:0906.3273 v1 · 2009-06-17 · 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{I3JBKX7HAJWVZNB4DMY2S4PKRT}

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	2026-05-18T02:13:19.308904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46d2155fe7026d5cb43c1b31a971ea8cdddc745072a55e781c0ee740fa4cfa70

Aliases

arxiv: 0906.3273 · arxiv_version: 0906.3273v1 · doi: 10.48550/arxiv.0906.3273 · pith_short_12: I3JBKX7HAJWV · pith_short_16: I3JBKX7HAJWVZNB4 · pith_short_8: I3JBKX7H

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/I3JBKX7HAJWVZNB4DMY2S4PKRT \
  | 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: 46d2155fe7026d5cb43c1b31a971ea8cdddc745072a55e781c0ee740fa4cfa70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b94bf3122fbca87a5f7cf9679cb3f7a5f76e1ca62bb0aaf9fece952bc0e7c23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-17T18:45:25Z",
    "title_canon_sha256": "8d227748617f141866a5ce8db9ff89f34c7ce461db0b2cb76cfd0b497b56c6dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3273",
    "kind": "arxiv",
    "version": 1
  }
}