Pith Number

pith:D74YKSEM

pith:2007:D74YKSEMYMNLLTB2LJEP2LNTQD

not attested not anchored not stored refs pending

Do all states undergo sudden death of entanglement at finite temperature?

Asma Al-Qasimi, Daniel F. V. James

arxiv:0707.2611 v1 · 2007-07-17 · 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{D74YKSEMYMNLLTB2LJEP2LNTQD}

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	2026-05-18T03:24:51.308958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ff985488cc31ab5cc3a5a48fd2db380ddbd8a840c1c707448495393ff648729

Aliases

arxiv: 0707.2611 · arxiv_version: 0707.2611v1 · doi: 10.48550/arxiv.0707.2611 · pith_short_12: D74YKSEMYMNL · pith_short_16: D74YKSEMYMNLLTB2 · pith_short_8: D74YKSEM

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/D74YKSEMYMNLLTB2LJEP2LNTQD \
  | 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: 1ff985488cc31ab5cc3a5a48fd2db380ddbd8a840c1c707448495393ff648729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a3babdd6340233e7543f8f093d90c85a2e1bc75f39e1572c57c6ee5300e9d26",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-07-17T23:43:00Z",
    "title_canon_sha256": "847bfc24a9c701015e8937c26c01e52cc5a4b0868deb532854e6a91e4e017ca6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.2611",
    "kind": "arxiv",
    "version": 1
  }
}