Pith Number

pith:M65Q26YO

pith:2004:M65Q26YOPLQAURRSSI6VC6MLYQ

not attested not anchored not stored refs pending

T-duality for the sigma model with boundaries

Cecilia Albertsson, Maxim Zabzine, Ulf Lindstrom

arxiv:hep-th/0410217 v2 · 2004-10-21 · 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{M65Q26YOPLQAURRSSI6VC6MLYQ}

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	2026-07-04T15:20:31.089158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67bb0d7b0e7ae00a4632923d51798bc40e7fd05a6929cd6f9a48804631788ac6

Aliases

arxiv: hep-th/0410217 · arxiv_version: hep-th/0410217v2 · doi: 10.48550/arxiv.hep-th/0410217 · pith_short_12: M65Q26YOPLQA · pith_short_16: M65Q26YOPLQAURRS · pith_short_8: M65Q26YO

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/M65Q26YOPLQAURRSSI6VC6MLYQ \
  | 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: 67bb0d7b0e7ae00a4632923d51798bc40e7fd05a6929cd6f9a48804631788ac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e4829005d6f0fab8127f550ad4ccc89133ca40c2d643ca97f62ab4642406624",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-10-21T07:51:18Z",
    "title_canon_sha256": "0f92c31f0a2385a246558464d46f71eeba95aa08599bba44e28542328236988e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0410217",
    "kind": "arxiv",
    "version": 2
  }
}