Pith Number

pith:PTL2YYFD

pith:2005:PTL2YYFDC2EOG4DY75JWBAHT4C

not attested not anchored not stored refs pending

On the symmetries of integrable systems with boundaries

Anastasia Doikou

arxiv:hep-th/0509162 v1 · 2005-09-21 · 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{PTL2YYFDC2EOG4DY75JWBAHT4C}

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	2026-05-18T01:05:56.862544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd7ac60a31688e37078ff536080f3e0b042afcbb7cf0c53959519f6e9a6013f

Aliases

arxiv: hep-th/0509162 · arxiv_version: hep-th/0509162v1 · doi: 10.48550/arxiv.hep-th/0509162 · pith_short_12: PTL2YYFDC2EO · pith_short_16: PTL2YYFDC2EOG4DY · pith_short_8: PTL2YYFD

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/PTL2YYFDC2EOG4DY75JWBAHT4C \
  | 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: 7cd7ac60a31688e37078ff536080f3e0b042afcbb7cf0c53959519f6e9a6013f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40ae7bbde9b99b2cff77e7b3bdac2198eb3176e955ff6cce183b470f7073cfb0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2005-09-21T09:50:05Z",
    "title_canon_sha256": "401ff6ab3d35514bec1cfc41cbf6ccaf882dcf347f43fc4848a0b5c5527d7328"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0509162",
    "kind": "arxiv",
    "version": 1
  }
}