Pith Number

pith:MFD7F2ZJ

pith:2009:MFD7F2ZJTXYFTCOJCLSV2UXAII

not attested not anchored not stored refs pending

In how many ways can quantum information be split ?

Prasanta K. Panigrahi, R. Srikanth, Siddharth Karumanchi, Sreraman Muralidharan, Srinatha Narayanaswamy

arxiv:0907.3532 v2 · 2009-07-21 · 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{MFD7F2ZJTXYFTCOJCLSV2UXAII}

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	2026-05-18T04:26:02.556271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6147f2eb299df05989c912e55d52e04214cff8994e654fbddc52c8f844daa283

Aliases

arxiv: 0907.3532 · arxiv_version: 0907.3532v2 · doi: 10.48550/arxiv.0907.3532 · pith_short_12: MFD7F2ZJTXYF · pith_short_16: MFD7F2ZJTXYFTCOJ · pith_short_8: MFD7F2ZJ

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/MFD7F2ZJTXYFTCOJCLSV2UXAII \
  | 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: 6147f2eb299df05989c912e55d52e04214cff8994e654fbddc52c8f844daa283

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "741152fc47fa98f135b02b8909b6c251808d54be469cf456da88bf3e16762d5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-21T03:13:54Z",
    "title_canon_sha256": "1a83576656d8bf810d51ab4c2f19b56a0b05cd588febf94f7477124ab8076392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3532",
    "kind": "arxiv",
    "version": 2
  }
}