Pith Number

pith:XV7EVN36

pith:2011:XV7EVN36YB4PEMISTXCIGSRUW3

not attested not anchored not stored refs pending

Free Differential Algebras and Pure Spinor Action in IIB Superstring Sigma Models

Ichiro Oda, Mario Tonin

arxiv:1103.5645 v2 · 2011-03-29 · 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{XV7EVN36YB4PEMISTXCIGSRUW3}

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	2026-05-18T02:02:43.432668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd7e4ab77ec078f231129dc4834a34b6c41eb2cec2377721e2b346cfc0875a5b

Aliases

arxiv: 1103.5645 · arxiv_version: 1103.5645v2 · doi: 10.48550/arxiv.1103.5645 · pith_short_12: XV7EVN36YB4P · pith_short_16: XV7EVN36YB4PEMIS · pith_short_8: XV7EVN36

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/XV7EVN36YB4PEMISTXCIGSRUW3 \
  | 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: bd7e4ab77ec078f231129dc4834a34b6c41eb2cec2377721e2b346cfc0875a5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e800cfc60a349cf4ddd04bbc8384b354cac5aafa0550a0f33beb6e4dc33a421",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-03-29T14:07:27Z",
    "title_canon_sha256": "51c919c3f3bbc0ab0c892f09f3d817926b48f574d932d05a7fb37793a23d996b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5645",
    "kind": "arxiv",
    "version": 2
  }
}