Pith Number

pith:UFERRHNY

pith:2019:UFERRHNYVCFSAKSW7V4TAORC3J

not attested not anchored not stored refs pending

Probing typical black hole microstates

Erik Verlinde, Jan de Boer, Kyriakos Papadodimas, Rik van Breukelen, Sagar F. Lokhande

arxiv:1901.08527 v1 · 2019-01-24 · 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{UFERRHNYVCFSAKSW7V4TAORC3J}

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	2026-07-05T00:36:19.167343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a149189db8a88b202a56fd79303a22da4dd14c970b0d0a29f68265ff45b09fea

Aliases

arxiv: 1901.08527 · arxiv_version: 1901.08527v1 · doi: 10.48550/arxiv.1901.08527 · pith_short_12: UFERRHNYVCFS · pith_short_16: UFERRHNYVCFSAKSW · pith_short_8: UFERRHNY

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/UFERRHNYVCFSAKSW7V4TAORC3J \
  | 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: a149189db8a88b202a56fd79303a22da4dd14c970b0d0a29f68265ff45b09fea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791c1dea47c0472dc417278ce6e174f41352c4208aadcda64e76a6ddf5ae74ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-01-24T17:44:56Z",
    "title_canon_sha256": "8fc18da036643e876342ccc2781859ac9aea6cf176ca93a89fcde66c1021765d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08527",
    "kind": "arxiv",
    "version": 1
  }
}