Pith Number

pith:VHNDLRCG

pith:2008:VHNDLRCGYDADVRYD3WSOEAUIPQ

not attested not anchored not stored refs pending

M5 from M2

Pei-Ming Ho, Yutaka Matsuo

arxiv:0804.3629 v2 · 2008-04-23 · 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{VHNDLRCGYDADVRYD3WSOEAUIPQ}

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	2026-05-18T02:35:22.734963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9da35c446c0c03ac703dda4e202887c3dbfb9d9cc05d513cb485be964d7eb85

Aliases

arxiv: 0804.3629 · arxiv_version: 0804.3629v2 · doi: 10.48550/arxiv.0804.3629 · pith_short_12: VHNDLRCGYDAD · pith_short_16: VHNDLRCGYDADVRYD · pith_short_8: VHNDLRCG

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/VHNDLRCGYDADVRYD3WSOEAUIPQ \
  | 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: a9da35c446c0c03ac703dda4e202887c3dbfb9d9cc05d513cb485be964d7eb85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9abea670cc4bf28a99e259ddf3dcd396c1118ba2f0d1f8dfb1325f679889f270",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-04-23T08:51:37Z",
    "title_canon_sha256": "3d4b5eb063790051a6859c2297a3b9e83db8c08b24f23c14785ba7f6249c19f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3629",
    "kind": "arxiv",
    "version": 2
  }
}