Pith Number

pith:IEWYGTGS

pith:2010:IEWYGTGSSGMMJ6ULGRVD2BG4PC

not attested not anchored not stored refs pending

Gravitational string-membrane hedgehog and internal structure of black holes

Hikaru Kawai, Toshihiro Matsuo

arxiv:1009.4028 v4 · 2010-09-21 · gr-qc · 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{IEWYGTGSSGMMJ6ULGRVD2BG4PC}

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	2026-05-18T04:18:53.254435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412d834cd29198c4fa8b346a3d04dc78a824843e47d861e9712633e7d6af1034

Aliases

arxiv: 1009.4028 · arxiv_version: 1009.4028v4 · doi: 10.48550/arxiv.1009.4028 · pith_short_12: IEWYGTGSSGMM · pith_short_16: IEWYGTGSSGMMJ6UL · pith_short_8: IEWYGTGS

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/IEWYGTGSSGMMJ6ULGRVD2BG4PC \
  | 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: 412d834cd29198c4fa8b346a3d04dc78a824843e47d861e9712633e7d6af1034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3e1fe2e42a84350248f91bc5bc99a817025c0d96f84ed4bc4e07c5a18d947f8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-09-21T09:35:03Z",
    "title_canon_sha256": "c3e5d37b963923c9a185aca24677635babe514b5a1e1f471a414e25a60f6d6e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4028",
    "kind": "arxiv",
    "version": 4
  }
}