Pith Number

pith:34MJSDOI

pith:2009:34MJSDOIQKWM2IAFQTRR6FVF6W

not attested not anchored not stored refs pending

Lorentzian wormholes generalizes thermodynamics still further

Pedro F. Gonzalez-Diaz, Prado Martin-Moruno

arxiv:0904.0099 v2 · 2009-04-01 · 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{34MJSDOIQKWM2IAFQTRR6FVF6W}

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	2026-05-18T03:39:14.912797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df18990dc882accd200584e31f16a5f5b64207616b1a6ea07dd5ff126cd75b64

Aliases

arxiv: 0904.0099 · arxiv_version: 0904.0099v2 · doi: 10.48550/arxiv.0904.0099 · pith_short_12: 34MJSDOIQKWM · pith_short_16: 34MJSDOIQKWM2IAF · pith_short_8: 34MJSDOI

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/34MJSDOIQKWM2IAFQTRR6FVF6W \
  | 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: df18990dc882accd200584e31f16a5f5b64207616b1a6ea07dd5ff126cd75b64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18d64999061f10bb3150c2b97b21b35df1e0511c1303e75aed4d221579c65de2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-04-01T08:56:04Z",
    "title_canon_sha256": "8785c84b5690b523874fb9133b1040b8b0f708c9362bf56102ae04fd21e39978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0099",
    "kind": "arxiv",
    "version": 2
  }
}