pith. sign in
Pith Number

pith:QXO2CMUD

pith:2016:QXO2CMUDEY7Y2WU4ZWJDH4CUTA
not attested not anchored not stored refs pending

Fefferman-Graham ambient metrics of Patterson-Walker metrics

Arman Taghavi-Chabert, Josef \v{S}ilhan, Katja Sagerschnig, Matthias Hammerl, Vojt\v{e}ch \v{Z}\'adn\'ik

arxiv:1608.06875 v1 · 2016-08-24 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QXO2CMUDEY7Y2WU4ZWJDH4CUTA}

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 2026-05-18T00:24:20.555564Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

85dda13283263f8d5a9ccd9233f0549833f2e47b5119be02445690124ab088ed

Aliases

arxiv: 1608.06875 · arxiv_version: 1608.06875v1 · doi: 10.48550/arxiv.1608.06875 · pith_short_12: QXO2CMUDEY7Y · pith_short_16: QXO2CMUDEY7Y2WU4 · pith_short_8: QXO2CMUD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QXO2CMUDEY7Y2WU4ZWJDH4CUTA \
  | 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: 85dda13283263f8d5a9ccd9233f0549833f2e47b5119be02445690124ab088ed
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "afd126c678cea861f049ecf10880b4f49c42a94752ffdb8c4b5966304b6b93a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-08-24T15:52:01Z",
    "title_canon_sha256": "1c1c6df2b45e7b2e8fdd0084949bd2e3fce6e4abb5a629d3b684e9f0d8197335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06875",
    "kind": "arxiv",
    "version": 1
  }
}