Pith Number

pith:7IHXMTSP

pith:2024:7IHXMTSPCHMXGE37JUXYDOTLCG

not attested not anchored not stored refs pending

Squashed 7-spheres, octonions and the swampland

Bengt E.W. Nilsson

arxiv:2412.04208 v1 · 2024-12-05 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7IHXMTSPCHMXGE37JUXYDOTLCG}

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	2026-07-05T09:45:01.004667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa0f764e4f11d973137f4d2f81ba6b1188ac4added716a15d580b2ad083ea4c7

Aliases

arxiv: 2412.04208 · arxiv_version: 2412.04208v1 · doi: 10.48550/arxiv.2412.04208 · pith_short_12: 7IHXMTSPCHMX · pith_short_16: 7IHXMTSPCHMXGE37 · pith_short_8: 7IHXMTSP

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/7IHXMTSPCHMXGE37JUXYDOTLCG \
  | 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: fa0f764e4f11d973137f4d2f81ba6b1188ac4added716a15d580b2ad083ea4c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe983832b9e4db659fbc180e3e79996a6c80462fdca5a5236da7e4307d1683c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2024-12-05T14:42:45Z",
    "title_canon_sha256": "52b7ce335736b6344accf286ef919813eede1546ce77c74626860fc0ed8cbc12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.04208",
    "kind": "arxiv",
    "version": 1
  }
}