Pith Number

pith:I2FXBQQL

pith:2015:I2FXBQQLCCLOTKU26YRDYRZ4SJ

not attested not anchored not stored refs pending

Relating Berkovits and $A_\infty$ Superstring Field Theories; Small Hilbert Space Perspective

Theodore Erler

arxiv:1505.02069 v2 · 2015-05-08 · 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{I2FXBQQLCCLOTKU26YRDYRZ4SJ}

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	2026-05-18T01:23:18.890401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

468b70c20b1096e9aa9af6223c473c9253be2c0b93781178bc97d49a46f92402

Aliases

arxiv: 1505.02069 · arxiv_version: 1505.02069v2 · doi: 10.48550/arxiv.1505.02069 · pith_short_12: I2FXBQQLCCLO · pith_short_16: I2FXBQQLCCLOTKU2 · pith_short_8: I2FXBQQL

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/I2FXBQQLCCLOTKU26YRDYRZ4SJ \
  | 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: 468b70c20b1096e9aa9af6223c473c9253be2c0b93781178bc97d49a46f92402

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b84721e6f03ab16934cb433cea1dc58fd90356da10063772c32c94457352583d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-05-08T15:41:58Z",
    "title_canon_sha256": "49ba8a12ca0df97bf1c004f7ffec5ac79b7dd256d53a108f51f830cd62e651f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02069",
    "kind": "arxiv",
    "version": 2
  }
}