Pith Number

pith:5UGZHWLQ

pith:2005:5UGZHWLQ7HGYWMAGFWNQFTT6DW

not attested not anchored not stored refs pending

The Character of Pure Spinors

Nathan Berkovits, Nikita Nekrasov

arxiv:hep-th/0503075 v1 · 2005-03-08 · 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{5UGZHWLQ7HGYWMAGFWNQFTT6DW}

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	2026-07-04T16:56:06.465051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed0d93d970f9cd8b30062d9b02ce7e1db6e7407154c4e0a7ceab0df54f7af778

Aliases

arxiv: hep-th/0503075 · arxiv_version: hep-th/0503075v1 · doi: 10.48550/arxiv.hep-th/0503075 · pith_short_12: 5UGZHWLQ7HGY · pith_short_16: 5UGZHWLQ7HGYWMAG · pith_short_8: 5UGZHWLQ

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/5UGZHWLQ7HGYWMAGFWNQFTT6DW \
  | 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: ed0d93d970f9cd8b30062d9b02ce7e1db6e7407154c4e0a7ceab0df54f7af778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed22e0cce5cd248d0690dc93c558b83305d8e790e7f08e5f29671c1e49b53bb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2005-03-08T14:55:39Z",
    "title_canon_sha256": "8b81719cbe95cbc2f91ace70e2d8b482013674939873d3445e5edba3c0f60288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0503075",
    "kind": "arxiv",
    "version": 1
  }
}