pith. sign in
Pith Number

pith:FH33UFGH

pith:1995:FH33UFGHCTU6AJDQ65JGRWRFQX
not attested not anchored not stored refs pending

Deformations in Closed String Theory -- Canonical Formulation and Regularization

Alexander von Gussich, Martin Cederwall, Per Sundell

arxiv:hep-th/9504112 v3 · 1995-04-21 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FH33UFGHCTU6AJDQ65JGRWRFQX}

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 2026-05-18T04:38:05.258234Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

29f7ba14c714e9e02470f75268da2585cc273fac8ebac4539278997dee0c6495

Aliases

arxiv: hep-th/9504112 · arxiv_version: hep-th/9504112v3 · doi: 10.48550/arxiv.hep-th/9504112 · pith_short_12: FH33UFGHCTU6 · pith_short_16: FH33UFGHCTU6AJDQ · pith_short_8: FH33UFGH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FH33UFGHCTU6AJDQ65JGRWRFQX \
  | 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: 29f7ba14c714e9e02470f75268da2585cc273fac8ebac4539278997dee0c6495
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "308d432acb442c1120487751459bfe01ce8919303eb27507c9fcf00e5cc44d00",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-04-21T14:40:38Z",
    "title_canon_sha256": "aedf2bff2328d747317bf6f9a471a7fe496e2cbe68439c8e46bd2b76afce80ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9504112",
    "kind": "arxiv",
    "version": 3
  }
}