pith. sign in
Pith Number

pith:JMFKZEHT

pith:2020:JMFKZEHTTKFIUCIUHU3MB6C7SH
not attested not anchored not stored refs pending

Obstacles to Constructing de Sitter Space in String Theory

Duncan Wood, Jamie A.P. Law-Smith, Michael Dine, Shijun Sun, Yan Yu

arxiv:2008.12399 v4 · 2020-08-27 · hep-th · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JMFKZEHTTKFIUCIUHU3MB6C7SH}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T02:13:33.838845Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4b0aac90f39a8a8a09143d36c0f85f91dc8f60dbcf2eb86df5a0802c7e51442a

Aliases

arxiv: 2008.12399 · arxiv_version: 2008.12399v4 · doi: 10.48550/arxiv.2008.12399 · pith_short_12: JMFKZEHTTKFI · pith_short_16: JMFKZEHTTKFIUCIU · pith_short_8: JMFKZEHT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JMFKZEHTTKFIUCIUHU3MB6C7SH \
  | 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: 4b0aac90f39a8a8a09143d36c0f85f91dc8f60dbcf2eb86df5a0802c7e51442a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f998c9da137d689c0e0ef101ea00cf61c298838dd34904c892b6ec899cbd6ea1",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-08-27T22:51:50Z",
    "title_canon_sha256": "cfcea5014bf6ae496324b8aef3a4a1ead329dd9ae06f1bbcafc79b791ca2da2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.12399",
    "kind": "arxiv",
    "version": 4
  }
}