Pith Number

pith:WDASVJS3

pith:2009:WDASVJS35VV7RJ7HTTCVKIDHV2

not attested not anchored not stored refs pending

Thin-shell wormholes with a generalized Chaplygin gas

Ernesto F. Eiroa

arxiv:0907.2205 v2 · 2009-07-13 · 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{WDASVJS35VV7RJ7HTTCVKIDHV2}

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	2026-07-04T15:48:32.328348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0c12aa65bed6bf8a7e79cc5552067ae889b4c3abaabfc5d18bdb2b25621302a

Aliases

arxiv: 0907.2205 · arxiv_version: 0907.2205v2 · doi: 10.48550/arxiv.0907.2205 · pith_short_12: WDASVJS35VV7 · pith_short_16: WDASVJS35VV7RJ7H · pith_short_8: WDASVJS3

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/WDASVJS35VV7RJ7HTTCVKIDHV2 \
  | 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: b0c12aa65bed6bf8a7e79cc5552067ae889b4c3abaabfc5d18bdb2b25621302a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1110f3242a46bd2618ebccf8b23a2ec1b9e2de05459d83bc9904d8638163f8c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-07-13T16:22:15Z",
    "title_canon_sha256": "04f7487ce2607c92c909359a58d22b5ab330f550097273210aad6d8ecea99d99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2205",
    "kind": "arxiv",
    "version": 2
  }
}