Pith Number

pith:4VJW6KQI

pith:2026:4VJW6KQIJIQKVUAERKRPZWOBNQ

not attested not anchored not stored refs pending

The conformal null string in $d+2$ and $d$ dimensions

Ulf Lindstr\"om

arxiv:2606.22498 v1 · 2026-06-21 · 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{4VJW6KQIJIQKVUAERKRPZWOBNQ}

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	2026-06-23T02:13:40.182789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5536f2a084a20aad0048aa2fcd9c16c18fcee0d70d13bb5db01727c4ece6c1d

Aliases

arxiv: 2606.22498 · arxiv_version: 2606.22498v1 · doi: 10.48550/arxiv.2606.22498 · pith_short_12: 4VJW6KQIJIQK · pith_short_16: 4VJW6KQIJIQKVUAE · pith_short_8: 4VJW6KQI

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/4VJW6KQIJIQKVUAERKRPZWOBNQ \
  | 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: e5536f2a084a20aad0048aa2fcd9c16c18fcee0d70d13bb5db01727c4ece6c1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a45357987947198d0d94f0fb7476e9d14ad6a7f1e5c6d87eebed4293b70fbdfa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2026-06-21T13:42:48Z",
    "title_canon_sha256": "7dca2ab667880995587d91aa1ecf14744f06862406beeb378c68d7302ba86aef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22498",
    "kind": "arxiv",
    "version": 1
  }
}