Pith Number

pith:3AUBRAFJ

pith:2022:3AUBRAFJYYUY5KXW2YJ5HMCWUA

not attested not anchored not stored refs pending

Fudan lectures on string theory

Daisuke Yokoyama, Runkai Tao, Satoshi Nawata

arxiv:2208.05179 v4 · 2022-08-10 · 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{3AUBRAFJYYUY5KXW2YJ5HMCWUA}

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	2026-07-05T08:31:38.230084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8281880a9c6298eaaf6d613d3b056a02db8d6f336231155072bdd11a1652c6f

Aliases

arxiv: 2208.05179 · arxiv_version: 2208.05179v4 · doi: 10.48550/arxiv.2208.05179 · pith_short_12: 3AUBRAFJYYUY · pith_short_16: 3AUBRAFJYYUY5KXW · pith_short_8: 3AUBRAFJ

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/3AUBRAFJYYUY5KXW2YJ5HMCWUA \
  | 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: d8281880a9c6298eaaf6d613d3b056a02db8d6f336231155072bdd11a1652c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7f7e9eb5c40a76c945029f21bbe0b628d58ac2ca20ef65bfc9d47c5bca6831",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-08-10T06:53:18Z",
    "title_canon_sha256": "b43eb66a794ab2a9cdc7e672300f35b518585d31db612f874ffccc9a0e525efe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.05179",
    "kind": "arxiv",
    "version": 4
  }
}