Pith Number

pith:SFUCETIA

pith:2021:SFUCETIAG2V6RYOKEM5SAL5WXP

not attested not anchored not stored refs pending

Capacity of entanglement in random pure state

Kazumi Okuyama

arxiv:2103.08909 v1 · 2021-03-16 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFUCETIAG2V6RYOKEM5SAL5WXP}

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.

Cited by

1 paper in Pith

Evaporating Black Hole Interior and Complexity Evolution

Receipt and verification

First computed	2026-07-05T03:08:26.627701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9168224d0036abe8e1ca233b202fb6bbfdb0025be9939793df35deffbe932456

Aliases

arxiv: 2103.08909 · arxiv_version: 2103.08909v1 · doi: 10.48550/arxiv.2103.08909 · pith_short_12: SFUCETIAG2V6 · pith_short_16: SFUCETIAG2V6RYOK · pith_short_8: SFUCETIA

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/SFUCETIAG2V6RYOKEM5SAL5WXP \
  | 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: 9168224d0036abe8e1ca233b202fb6bbfdb0025be9939793df35deffbe932456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f522cbc75d0a95e749e9ea6e86c929ac4a5f6893ab64b5f2b3f004cd7b27d368",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-03-16T08:31:27Z",
    "title_canon_sha256": "07b6fb252b88179e479543d10c38c95271bfad9f95ec8142393f12b133972715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.08909",
    "kind": "arxiv",
    "version": 1
  }
}