Pith Number

pith:M2XOT5UH

pith:1999:M2XOT5UHLWF4NI5WBPIPSINR57

not attested not anchored not stored refs pending

Tachyon-free Orientifolds of Type 0B Strings in Various Dimensions

Anamaria Font, Dieter Lust, Ralph Blumenhagen

arxiv:hep-th/9904069 v2 · 1999-04-08 · 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{M2XOT5UHLWF4NI5WBPIPSINR57}

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	2026-07-04T15:18:29.621647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66aee9f6875d8bc6a3b60bd0f921b1efc5c73c7060c90df8e41e12c8e33bb3f0

Aliases

arxiv: hep-th/9904069 · arxiv_version: hep-th/9904069v2 · doi: 10.48550/arxiv.hep-th/9904069 · pith_short_12: M2XOT5UHLWF4 · pith_short_16: M2XOT5UHLWF4NI5W · pith_short_8: M2XOT5UH

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/M2XOT5UHLWF4NI5WBPIPSINR57 \
  | 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: 66aee9f6875d8bc6a3b60bd0f921b1efc5c73c7060c90df8e41e12c8e33bb3f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f7e25d43d4e400edcd36d034f0dde59326ca36a8daac9d9b88e042c9a0ebd52",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-04-08T17:56:19Z",
    "title_canon_sha256": "b5028d00e21eb1d8963e1b620f967a771072cc55eb79e49bddf170718a1fa2cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9904069",
    "kind": "arxiv",
    "version": 2
  }
}