Pith Number

pith:SWDKA5TC

pith:2021:SWDKA5TCJSWIWJ4P3MIXOOU34G

not attested not anchored not stored refs pending

Instanton Solutions in Open Superstring Field Theory

Nathan Berkovits, Ulisses M. Portugal, Vilson Fabricio Juliatto

arxiv:2110.07645 v1 · 2021-10-14 · 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{SWDKA5TCJSWIWJ4P3MIXOOU34G}

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	2026-07-05T04:59:15.315157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9586a076624cac8b278fdb11773a9be1b92d3e93fbec09c334b269910bc0905e

Aliases

arxiv: 2110.07645 · arxiv_version: 2110.07645v1 · doi: 10.48550/arxiv.2110.07645 · pith_short_12: SWDKA5TCJSWI · pith_short_16: SWDKA5TCJSWIWJ4P · pith_short_8: SWDKA5TC

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/SWDKA5TCJSWIWJ4P3MIXOOU34G \
  | 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: 9586a076624cac8b278fdb11773a9be1b92d3e93fbec09c334b269910bc0905e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f7252b9c7801d6e84b9d50038af4b5fcbd960c131bf98681c9e1fd473c36ce2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-10-14T18:06:46Z",
    "title_canon_sha256": "57c57d6b90a4e97bd9cca1c092aacbb6ef6a06b0a836649481ebede040ced797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07645",
    "kind": "arxiv",
    "version": 1
  }
}