Pith Number

pith:BTCQDRBS

pith:2013:BTCQDRBSKJNQ6NPENG5SCCXL5E

not attested not anchored not stored refs pending

Use strong coupling strength to coherently preserve quantum entanglement

Guihua Tian, Shuquan Zhong

arxiv:1309.6507 v1 · 2013-09-24 · quant-ph · physics.atom-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{BTCQDRBSKJNQ6NPENG5SCCXL5E}

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	2026-05-18T03:12:20.820547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc501c432525b0f35e469bb210aebe92b2cd4a526a4d8174d739ae1089d58b5

Aliases

arxiv: 1309.6507 · arxiv_version: 1309.6507v1 · doi: 10.48550/arxiv.1309.6507 · pith_short_12: BTCQDRBSKJNQ · pith_short_16: BTCQDRBSKJNQ6NPE · pith_short_8: BTCQDRBS

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/BTCQDRBSKJNQ6NPENG5SCCXL5E \
  | 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: 0cc501c432525b0f35e469bb210aebe92b2cd4a526a4d8174d739ae1089d58b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3e7ad09c2f8b9be8a5240ce9e5a1731aab005063cd7a95f96f6f87b14473db8",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-24T14:16:01Z",
    "title_canon_sha256": "7c6af8d14aa1fc2bcf8514dbf93fe8338040c4ade714e16b97d3f1ed5c98e998"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6507",
    "kind": "arxiv",
    "version": 1
  }
}