Pith Number

pith:M2YSPLB4

pith:1994:M2YSPLB4BHUZBVYKRESN23MVG3

not attested not anchored not stored refs pending

Embeddings for Non-Critical Superstrings

Nathan Berkovits, Nobuyoshi Ohta

arxiv:hep-th/9405144 v1 · 1994-05-22 · 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{M2YSPLB4BHUZBVYKRESN23MVG3}

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	2026-07-04T15:57:45.429032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66b127ac3c09e990d70a8924dd6d9536cc48a05f8ad80460f432e4d0c20cb7f6

Aliases

arxiv: hep-th/9405144 · arxiv_version: hep-th/9405144v1 · doi: 10.48550/arxiv.hep-th/9405144 · pith_short_12: M2YSPLB4BHUZ · pith_short_16: M2YSPLB4BHUZBVYK · pith_short_8: M2YSPLB4

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/M2YSPLB4BHUZBVYKRESN23MVG3 \
  | 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: 66b127ac3c09e990d70a8924dd6d9536cc48a05f8ad80460f432e4d0c20cb7f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e1a1563c0ac4ec363648198b686d7680bd1214c2e767ce7ad54b798c934077b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-05-22T14:24:00Z",
    "title_canon_sha256": "532b25f56202a841d58b82a80a75593009fb974f9db6d46b9a375bab98a03f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9405144",
    "kind": "arxiv",
    "version": 1
  }
}