Pith Number

pith:PJYWFP5Y

pith:2002:PJYWFP5YZCUHZLNVS6KBCLFJQR

not attested not anchored not stored refs pending

Unstable Horizons

Mukund Rangamani, Veronika E. Hubeny

arxiv:hep-th/0202189 v2 · 2002-02-27 · hep-th · 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{PJYWFP5YZCUHZLNVS6KBCLFJQR}

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	2026-07-04T16:34:34.621512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a7162bfb8c8a87cadb59794112ca9846cd91994219e464a111c21c2acc20b66

Aliases

arxiv: hep-th/0202189 · arxiv_version: hep-th/0202189v2 · doi: 10.48550/arxiv.hep-th/0202189 · pith_short_12: PJYWFP5YZCUH · pith_short_16: PJYWFP5YZCUHZLNV · pith_short_8: PJYWFP5Y

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/PJYWFP5YZCUHZLNVS6KBCLFJQR \
  | 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: 7a7162bfb8c8a87cadb59794112ca9846cd91994219e464a111c21c2acc20b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63702b07289ef36ed3dd2a8fea6ff019d143199e02059db83501fc8ec08da8a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-02-27T02:13:23Z",
    "title_canon_sha256": "bc52fadd5f526c848b27a2655d5c0cee6ddc9e9ab4ef0468b079527076f924ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0202189",
    "kind": "arxiv",
    "version": 2
  }
}