Pith Number

pith:4UBSVH5Y

pith:1992:4UBSVH5YYACKZQGUJWL4W5I2GK

not attested not anchored not stored refs pending

Strings below the Planck scale

M.A.R. Osorio, M.A. Vazquez-Mozo

arxiv:hep-th/9201044 v2 · 1992-01-22 · 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{4UBSVH5YYACKZQGUJWL4W5I2GK}

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	2026-05-18T04:37:44.292473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5032a9fb8c004acc0d44d97cb751a32aac78f20e85d0098f95758127768091b

Aliases

arxiv: hep-th/9201044 · arxiv_version: hep-th/9201044v2 · doi: 10.48550/arxiv.hep-th/9201044 · pith_short_12: 4UBSVH5YYACK · pith_short_16: 4UBSVH5YYACKZQGU · pith_short_8: 4UBSVH5Y

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/4UBSVH5YYACKZQGUJWL4W5I2GK \
  | 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: e5032a9fb8c004acc0d44d97cb751a32aac78f20e85d0098f95758127768091b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c4912723ffe6668a4375cd80acfddf6688340156d431a0a053998058d0c09f9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-01-22T14:46:08Z",
    "title_canon_sha256": "dc2e00bdd7afb201a51bc125642c3ca7d5ef8f709e594b7c52f2e24235aac6c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9201044",
    "kind": "arxiv",
    "version": 2
  }
}