Pith Number

pith:HCOOLEJK

pith:1994:HCOOLEJKAAFPJAB7KOP3SSLT3L

not attested not anchored not stored refs pending

Why Do We Live in 3+1 Dimensions?

Holger Bech Nielsen, Svend Erik Rugh

arxiv:hep-th/9407011 v1 · 1994-07-03 · 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{HCOOLEJKAAFPJAB7KOP3SSLT3L}

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	2026-07-04T15:50:53.964251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

389ce5912a000af4803f539fb94973dadcc509a8802e6144f2b9e3802620c822

Aliases

arxiv: hep-th/9407011 · arxiv_version: hep-th/9407011v1 · doi: 10.48550/arxiv.hep-th/9407011 · pith_short_12: HCOOLEJKAAFP · pith_short_16: HCOOLEJKAAFPJAB7 · pith_short_8: HCOOLEJK

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/HCOOLEJKAAFPJAB7KOP3SSLT3L \
  | 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: 389ce5912a000af4803f539fb94973dadcc509a8802e6144f2b9e3802620c822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1701f0c55b1b3f8b29c57b8e4cf92ddae4c5ea1c5745659abd6f74199cbc539",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-07-03T19:39:53Z",
    "title_canon_sha256": "4d17c9f732889323ce0b9dbd7f20b24b37bf41a5678cea5a46cff923c9d2bf35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9407011",
    "kind": "arxiv",
    "version": 1
  }
}