Pith Number

pith:QY6NSF4Z

pith:2012:QY6NSF4Z4JATSFOATIPBGU3TYC

not attested not anchored not stored refs pending

Observables and Entanglement in the Two-Body System

N. L. Harshman

arxiv:1210.1770 v1 · 2012-10-05 · 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{QY6NSF4Z4JATSFOATIPBGU3TYC}

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	2026-05-18T03:37:28.838680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

863cd91799e2413915c09a1e135373c0bc8385f395726f9ce2daecf6893ba58f

Aliases

arxiv: 1210.1770 · arxiv_version: 1210.1770v1 · doi: 10.48550/arxiv.1210.1770 · pith_short_12: QY6NSF4Z4JAT · pith_short_16: QY6NSF4Z4JATSFOA · pith_short_8: QY6NSF4Z

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/QY6NSF4Z4JATSFOATIPBGU3TYC \
  | 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: 863cd91799e2413915c09a1e135373c0bc8385f395726f9ce2daecf6893ba58f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da6dc57973220eb428690ea86b861ee3968554954c9057a0a72f33836d4fa7c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-05T14:28:30Z",
    "title_canon_sha256": "cc8c3458a1f3a080a7b15aa37f359df3c1cc85e13ecaaec9d1307d51c526c3f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1770",
    "kind": "arxiv",
    "version": 1
  }
}