Pith Number

pith:HPYMBLEO

pith:2015:HPYMBLEO4W73SJOAPE4KWF4IVA

not attested not anchored not stored refs pending

Energy and momentum of Bianchi Type VI_h Universes

A. K. Singh, B. Mishra, G. K. Pandey, S. K. Tripathy, S.S.Xulu, T. Kumar

arxiv:1501.04990 v1 · 2015-01-19 · 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{HPYMBLEO4W73SJOAPE4KWF4IVA}

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	2026-05-18T00:44:52.864113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf0c0ac8ee5bfb925c07938ab1788a82a4c581dc9369e75c4fa00cc979f8d62

Aliases

arxiv: 1501.04990 · arxiv_version: 1501.04990v1 · doi: 10.48550/arxiv.1501.04990 · pith_short_12: HPYMBLEO4W73 · pith_short_16: HPYMBLEO4W73SJOA · pith_short_8: HPYMBLEO

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/HPYMBLEO4W73SJOAPE4KWF4IVA \
  | 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: 3bf0c0ac8ee5bfb925c07938ab1788a82a4c581dc9369e75c4fa00cc979f8d62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ce895b5580a8fd68fe6c226d6fd0e6aa876b5218ad91b51f72c3a9345318c89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-01-19T10:14:39Z",
    "title_canon_sha256": "52c2143773d5120eecb75e3e372157931fe64920461b9082856c3bc22da6e1ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04990",
    "kind": "arxiv",
    "version": 1
  }
}