Pith Number

pith:7QLRPKXH

pith:2019:7QLRPKXHARSMEBUTKCJPRGUY5A

not attested not anchored not stored refs pending

Target Space Entanglement Entropy

Daniel Ranard, Edward A. Mazenc

arxiv:1910.07449 v1 · 2019-10-16 · hep-th · 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{7QLRPKXHARSMEBUTKCJPRGUY5A}

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

Fiducial observers and the thermal atmosphere in the black hole quantum throat

Receipt and verification

First computed	2026-07-05T07:04:39.953651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc1717aae70464c206935092f89a98e83a33895dec91239a47fa685adba696f0

Aliases

arxiv: 1910.07449 · arxiv_version: 1910.07449v1 · doi: 10.48550/arxiv.1910.07449 · pith_short_12: 7QLRPKXHARSM · pith_short_16: 7QLRPKXHARSMEBUT · pith_short_8: 7QLRPKXH

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/7QLRPKXHARSMEBUTKCJPRGUY5A \
  | 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: fc1717aae70464c206935092f89a98e83a33895dec91239a47fa685adba696f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df638a48c0ceabda8ce7ae94b540f0d8c3eb342ebdc3f786bebff027faa1993c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-10-16T16:11:11Z",
    "title_canon_sha256": "a9e1a7a53f7266e67966437bf0cb3086f81a84e733165cb94df72c992b5de318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.07449",
    "kind": "arxiv",
    "version": 1
  }
}