Pith Number

pith:ONDQK2JV

pith:1995:ONDQK2JV2PXBUG66WYKP5N7TTQ

not attested not anchored not stored refs pending

Instantons on D-branes

Cumrun Vafa

arxiv:hep-th/9512078 v1 · 1995-12-11 · 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{ONDQK2JV2PXBUG66WYKP5N7TTQ}

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	2026-07-04T15:59:47.930954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7347056935d3ee1a1bdeb614feb7f39c17bdaa3f8fb488ae4c810729ee72ef69

Aliases

arxiv: hep-th/9512078 · arxiv_version: hep-th/9512078v1 · doi: 10.48550/arxiv.hep-th/9512078 · pith_short_12: ONDQK2JV2PXB · pith_short_16: ONDQK2JV2PXBUG66 · pith_short_8: ONDQK2JV

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/ONDQK2JV2PXBUG66WYKP5N7TTQ \
  | 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: 7347056935d3ee1a1bdeb614feb7f39c17bdaa3f8fb488ae4c810729ee72ef69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4039f725d2c064bd905d165d8be10983aa0c37b830f05e9e135eecdd063f78bb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-12-11T21:17:09Z",
    "title_canon_sha256": "6c7057f9efbf7e668016334a1a40070a6c897558f3e60d70bfc27186a0f2dbc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9512078",
    "kind": "arxiv",
    "version": 1
  }
}