Pith Number

pith:C7JMGNTS

pith:2013:C7JMGNTSMI3CYSFFSCNWS2B4A3

not attested not anchored not stored refs pending

An O(D,D) Invariant Hamiltonian Action for the Superstring

Alasdair J. Routh, Chris D. A. Blair, Emanuel Malek

arxiv:1308.4829 v2 · 2013-08-22 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7JMGNTSMI3CYSFFSCNWS2B4A3}

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	2026-05-18T01:24:33.457698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17d2c3367262362c48a5909b69683c06f982fd7d1d2950e1036673b927bbeb58

Aliases

arxiv: 1308.4829 · arxiv_version: 1308.4829v2 · doi: 10.48550/arxiv.1308.4829 · pith_short_12: C7JMGNTSMI3C · pith_short_16: C7JMGNTSMI3CYSFF · pith_short_8: C7JMGNTS

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/C7JMGNTSMI3CYSFFSCNWS2B4A3 \
  | 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: 17d2c3367262362c48a5909b69683c06f982fd7d1d2950e1036673b927bbeb58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba49f16ba6fafc0cf72395a5517aa888f06b416b24f067e148a6216ecbd891fa",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-08-22T11:41:29Z",
    "title_canon_sha256": "d7da1528501d71d76d6dde731aa11cfb9bf3aa49d4578a9ab870ee4b67522f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4829",
    "kind": "arxiv",
    "version": 2
  }
}