Pith Number

pith:ECB6LOOQ

pith:1999:ECB6LOOQFC3KFTIKEYA7XAD3NW

not attested not anchored not stored refs pending

Remarks on Covariant Matrix Strings

Celine Laroche, Laurent Baulieu, Nikita Nekrasov

arxiv:hep-th/9907099 v2 · 1999-07-13 · 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{ECB6LOOQFC3KFTIKEYA7XAD3NW}

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	2026-05-18T01:38:34.971453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2083e5b9d028b6a2cd0a2601fb807b6da3007eb6b7b808b906178b3901dc0f75

Aliases

arxiv: hep-th/9907099 · arxiv_version: hep-th/9907099v2 · doi: 10.48550/arxiv.hep-th/9907099 · pith_short_12: ECB6LOOQFC3K · pith_short_16: ECB6LOOQFC3KFTIK · pith_short_8: ECB6LOOQ

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/ECB6LOOQFC3KFTIKEYA7XAD3NW \
  | 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: 2083e5b9d028b6a2cd0a2601fb807b6da3007eb6b7b808b906178b3901dc0f75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74449b7e1790be6eca3ae3d64af194f1b230487a3695e50ac3bf489bc69a55b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-07-13T15:47:59Z",
    "title_canon_sha256": "6d2f7dff757d5ce84c515b5b8cf8aa4d063e540f678862d0d5826422cb1a8b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9907099",
    "kind": "arxiv",
    "version": 2
  }
}