Pith Number

pith:O5WJ3GR5

pith:2017:O5WJ3GR5XKOS77QRQMZ4W4QOBT

not attested not anchored not stored refs pending

On generalized $G_2$-structures and $T$-duality

Lino Grama, Viviana del Barco

arxiv:1709.09154 v1 · 2017-09-26 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5WJ3GR5XKOS77QRQMZ4W4QOBT}

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	2026-05-18T00:09:19.754926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

776c9d9a3dba9d2ffe118333cb720e0cc27b2dea591e4c4c19b2c326af145ad9

Aliases

arxiv: 1709.09154 · arxiv_version: 1709.09154v1 · doi: 10.48550/arxiv.1709.09154 · pith_short_12: O5WJ3GR5XKOS · pith_short_16: O5WJ3GR5XKOS77QR · pith_short_8: O5WJ3GR5

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/O5WJ3GR5XKOS77QRQMZ4W4QOBT \
  | 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: 776c9d9a3dba9d2ffe118333cb720e0cc27b2dea591e4c4c19b2c326af145ad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c96cfc1fc317645ae8538112f8b5a2d2a622e3d267d3900a77e6278b0d369986",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-09-26T17:41:28Z",
    "title_canon_sha256": "4b36af702cb9856b8295fc4019e37da7dfca8b8eb230ae13c8af42945ada2a85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09154",
    "kind": "arxiv",
    "version": 1
  }
}