pith. sign in
Pith Number

pith:UPJZ5EEF

pith:1994:UPJZ5EEFD7VO3P4Q7H2JFCBY4E
not attested not anchored not stored refs pending

Duality Invariant Superstring Actions

Abbas Ali

arxiv:hep-th/9406189 v1 · 1994-06-27 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UPJZ5EEFD7VO3P4Q7H2JFCBY4E}

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 2026-05-18T04:17:35.353740Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a3d39e90851feaedbf90f9f4928838e12e41c4bdfb1c28b54553f4fa7a09f18e

Aliases

arxiv: hep-th/9406189 · arxiv_version: hep-th/9406189v1 · doi: 10.48550/arxiv.hep-th/9406189 · pith_short_12: UPJZ5EEFD7VO · pith_short_16: UPJZ5EEFD7VO3P4Q · pith_short_8: UPJZ5EEF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UPJZ5EEFD7VO3P4Q7H2JFCBY4E \
  | 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: a3d39e90851feaedbf90f9f4928838e12e41c4bdfb1c28b54553f4fa7a09f18e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "57840020f252b98c777bbe1e834a54fe3cd85e3e7562fd454e5d19fc6845f0c0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-06-27T16:19:12Z",
    "title_canon_sha256": "fdcb7d2624afc42feddf4061a8f75cd2fba805a308b12009b093bbf87515f161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9406189",
    "kind": "arxiv",
    "version": 1
  }
}