Pith Number

pith:M2PSQEMJ

pith:1995:M2PSQEMJUMU4S5TJCP5L5TIVPY

not attested not anchored not stored refs pending

LOOP SPACE HAMILTONIAN FOR $c \le 1$ OPEN STRINGS

Ivan K. Kostov

arxiv:hep-th/9501135 v1 · 1995-01-30 · 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{M2PSQEMJUMU4S5TJCP5L5TIVPY}

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	2026-05-18T01:06:03.602904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

669f281189a329c9766913fabecd157e225fc6d1c72bfd6596fae26664dd80f8

Aliases

arxiv: hep-th/9501135 · arxiv_version: hep-th/9501135v1 · doi: 10.48550/arxiv.hep-th/9501135 · pith_short_12: M2PSQEMJUMU4 · pith_short_16: M2PSQEMJUMU4S5TJ · pith_short_8: M2PSQEMJ

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/M2PSQEMJUMU4S5TJCP5L5TIVPY \
  | 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: 669f281189a329c9766913fabecd157e225fc6d1c72bfd6596fae26664dd80f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5755d2eaa0420217909c5c9feb40cd12062d4d62e3ca36e6a46ee6e38ea5de6b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-01-30T17:43:40Z",
    "title_canon_sha256": "fc09037fd8ded42a902afbc12b3f4212440cbaf98e57ebeefd109a0951d3389c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9501135",
    "kind": "arxiv",
    "version": 1
  }
}