Pith Number

pith:XVWRXUD6

pith:2005:XVWRXUD6KTCDUFCRWC6V7C4FVK

not attested not anchored not stored refs pending

A Question About Standard Cosmology and Extremely Dense Stars' Collapsing

Ding-fang Zeng, Yi-hong Gao

arxiv:gr-qc/0506054 v1 · 2005-06-09 · 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{XVWRXUD6KTCDUFCRWC6V7C4FVK}

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	2026-05-18T01:06:45.446629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd6d1bd07e54c43a1451b0bd5f8b85aab012f28735bac27f759fb54d2120ae29

Aliases

arxiv: gr-qc/0506054 · arxiv_version: gr-qc/0506054v1 · doi: 10.48550/arxiv.gr-qc/0506054 · pith_short_12: XVWRXUD6KTCD · pith_short_16: XVWRXUD6KTCDUFCR · pith_short_8: XVWRXUD6

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/XVWRXUD6KTCDUFCRWC6V7C4FVK \
  | 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: bd6d1bd07e54c43a1451b0bd5f8b85aab012f28735bac27f759fb54d2120ae29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1102c3df9ae7d918d2db6f8e339adcd2eec8291e60db8a2264f525e5e125c0a2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-06-09T09:59:45Z",
    "title_canon_sha256": "0e1bc77587c5b80be2311c7dbd99da201b5b62a6b27bfe0656be9b4bc552be7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0506054",
    "kind": "arxiv",
    "version": 1
  }
}