Pith Number

pith:KTNWZJWU

pith:1999:KTNWZJWUIPUGON3T2Q2YRWOYKW

not attested not anchored not stored refs pending

T-Duality, Space-time Spinors and R-R Fields in Curved Backgrounds

S. F. Hassan (Ecole Polytechnique)

arxiv:hep-th/9907152 v3 · 1999-07-19 · 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{KTNWZJWUIPUGON3T2Q2YRWOYKW}

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.

Cited by

1 paper in Pith

Exploring types I and IIA effective actions through T-duality

Receipt and verification

First computed	2026-07-04T17:25:27.236811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54db6ca6d443e8673773d43588d9d85581352f5016295095c4baf1ff8e0b894d

Aliases

arxiv: hep-th/9907152 · arxiv_version: hep-th/9907152v3 · doi: 10.48550/arxiv.hep-th/9907152 · pith_short_12: KTNWZJWUIPUG · pith_short_16: KTNWZJWUIPUGON3T · pith_short_8: KTNWZJWU

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/KTNWZJWUIPUGON3T2Q2YRWOYKW \
  | 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: 54db6ca6d443e8673773d43588d9d85581352f5016295095c4baf1ff8e0b894d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aada4a3e7e4d35084bb86ca2788f0925e2632d21bd013139b365980eca9b353",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-07-19T16:50:39Z",
    "title_canon_sha256": "c58b7078348fbbaeab138b5f881c176af629c120045dab93814eaaa00819a2d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9907152",
    "kind": "arxiv",
    "version": 3
  }
}