Pith Number

pith:DQT3JPJL

pith:2006:DQT3JPJLGGWX4CCAYOUOFIVQWO

not attested not anchored not stored refs pending

On Symplectc half-flat manifolds

Adriano Tomassini, Luigi Vezzoni

arxiv:math/0605788 v4 · 2006-05-31 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQT3JPJLGGWX4CCAYOUOFIVQWO}

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	2026-05-18T02:51:13.816201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c27b4bd2b31ad7e0840c3a8e2a2b0b3bdd7816c3170e348317194b6932e574e

Aliases

arxiv: math/0605788 · arxiv_version: math/0605788v4 · doi: 10.48550/arxiv.math/0605788 · pith_short_12: DQT3JPJLGGWX · pith_short_16: DQT3JPJLGGWX4CCA · pith_short_8: DQT3JPJL

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/DQT3JPJLGGWX4CCAYOUOFIVQWO \
  | 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: 1c27b4bd2b31ad7e0840c3a8e2a2b0b3bdd7816c3170e348317194b6932e574e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce6bc94ed9bccf2f01e8795854dca43334d2b5f3864a5857eae8310d78e7544f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2006-05-31T18:02:56Z",
    "title_canon_sha256": "afd13751ad06731e178e79ddc1b8ac9a7597d576e76b3f247d5abb4069a2328b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0605788",
    "kind": "arxiv",
    "version": 4
  }
}