Pith Number

pith:D6QOB7YL

pith:2011:D6QOB7YL3HPLV42XEXOV34WE5J

not attested not anchored not stored refs pending

A trapped surface in the higher-dimensional self-similar Vaidya spacetime

Masahiro Shimano, Naoki Tsukamoto, Tomohiro Harada

arxiv:1108.3471 v1 · 2011-08-17 · 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{D6QOB7YL3HPLV42XEXOV34WE5J}

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	2026-05-18T02:00:52.868142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fa0e0ff0bd9debaf35725dd5df2c4ea6749a03ab8629f083afaebb0894d09cc

Aliases

arxiv: 1108.3471 · arxiv_version: 1108.3471v1 · doi: 10.48550/arxiv.1108.3471 · pith_short_12: D6QOB7YL3HPL · pith_short_16: D6QOB7YL3HPLV42X · pith_short_8: D6QOB7YL

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/D6QOB7YL3HPLV42XEXOV34WE5J \
  | 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: 1fa0e0ff0bd9debaf35725dd5df2c4ea6749a03ab8629f083afaebb0894d09cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dde3fb018046765b6015d33cc5e410a0f77c6a8158f83ad73715e904de43346",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-08-17T13:01:33Z",
    "title_canon_sha256": "485046773da26ccaac9aac98ed1f3e763a15663c234642c14499aa65dffa7553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3471",
    "kind": "arxiv",
    "version": 1
  }
}