Pith Number

pith:NTF3ITB6

pith:2008:NTF3ITB6PES4URXYJIPPXF2QW6

not attested not anchored not stored refs pending

Asymptotically FRW black holes

J.T. Firouzjaee, Reza Mansouri

arxiv:0812.5108 v3 · 2008-12-30 · astro-ph · 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{NTF3ITB6PES4URXYJIPPXF2QW6}

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	2026-05-18T02:35:08.466359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ccbb44c3e7925ca46f84a1efb9750b7bb737df722cc554fc867a501ae77c5aa

Aliases

arxiv: 0812.5108 · arxiv_version: 0812.5108v3 · doi: 10.48550/arxiv.0812.5108 · pith_short_12: NTF3ITB6PES4 · pith_short_16: NTF3ITB6PES4URXY · pith_short_8: NTF3ITB6

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/NTF3ITB6PES4URXYJIPPXF2QW6 \
  | 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: 6ccbb44c3e7925ca46f84a1efb9750b7bb737df722cc554fc867a501ae77c5aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5acf19efb28ce84694c8f13f4e45ca4fc915f42f272aa4a214e74dfde5fd3e4d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-30T19:58:20Z",
    "title_canon_sha256": "16418f6b79d825cafcdd3c1416eceb91c0d6f4add49ff06c751dbb2f50e6eb3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.5108",
    "kind": "arxiv",
    "version": 3
  }
}