Pith Number

pith:OCULVPI6

pith:2016:OCULVPI6BO2FYVR24R7C7ZOCLE

not attested not anchored not stored refs pending

Optimal programmable unambiguous discriminator between two unknown latitudinal states

Tao Zhou, Xiaobing Sunian, Yuwei Li

arxiv:1604.05926 v2 · 2016-04-20 · 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{OCULVPI6BO2FYVR24R7C7ZOCLE}

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	2026-05-18T01:02:52.209359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70a8babd1e0bb45c563ae47e2fe5c25939bb5937e77103d30a9982bbb19a808e

Aliases

arxiv: 1604.05926 · arxiv_version: 1604.05926v2 · doi: 10.48550/arxiv.1604.05926 · pith_short_12: OCULVPI6BO2F · pith_short_16: OCULVPI6BO2FYVR2 · pith_short_8: OCULVPI6

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/OCULVPI6BO2FYVR24R7C7ZOCLE \
  | 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: 70a8babd1e0bb45c563ae47e2fe5c25939bb5937e77103d30a9982bbb19a808e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b6df4a3d7866ed240a2e986f2f8d80ae1a023104329838f544a428e4f956cfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-20T12:52:36Z",
    "title_canon_sha256": "75b499fb5a837a1268f9836b9b4e7668e6c04a6e22f59e565dbdfde8f4f3609c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05926",
    "kind": "arxiv",
    "version": 2
  }
}