Pith Number

pith:UN67G3FS

pith:2026:UN67G3FSIZJRCZKN5FMA5ONYAE

not attested not anchored not stored refs pending

Semiclassical regularity of compact trapped regions: From dynamical horizons to inner extremality

Francesco Di Filippo, Matt Visser, Ra\'ul Carballo-Rubio, Stefano Liberati

arxiv:2607.03916 v1 · 2026-07-04 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UN67G3FSIZJRCZKN5FMA5ONYAE}

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	2026-07-07T02:18:14.473044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a37df36cb2465311654de9580eb9b8011ca1310cce0e4714e01656649dfd13e5

Aliases

arxiv: 2607.03916 · arxiv_version: 2607.03916v1 · doi: 10.48550/arxiv.2607.03916 · pith_short_12: UN67G3FSIZJR · pith_short_16: UN67G3FSIZJRCZKN · pith_short_8: UN67G3FS

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/UN67G3FSIZJRCZKN5FMA5ONYAE \
  | 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: a37df36cb2465311654de9580eb9b8011ca1310cce0e4714e01656649dfd13e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7160204c3c6ab045dd8464b3c5303ab27a696987df83db480909d7a57296076",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-04T15:20:46Z",
    "title_canon_sha256": "ff1294f495b8495d3de5bb09c8a1bb6cda032674d5f8c113520101330bbf9a1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03916",
    "kind": "arxiv",
    "version": 1
  }
}