Pith Number

pith:TUM5LBWC

pith:2016:TUM5LBWCHSAID6F57NI7DBJJ5O

not attested not anchored not stored refs pending

Twistorial structures revisited

Radu Pantilie

arxiv:1612.07488 v1 · 2016-12-22 · math.DG · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TUM5LBWCHSAID6F57NI7DBJJ5O}

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	2026-05-18T00:54:09.918226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d19d586c23c8081f8bdfb51f18529ebb6d842961ef769c8b214c2e32342b720

Aliases

arxiv: 1612.07488 · arxiv_version: 1612.07488v1 · doi: 10.48550/arxiv.1612.07488 · pith_short_12: TUM5LBWCHSAI · pith_short_16: TUM5LBWCHSAID6F5 · pith_short_8: TUM5LBWC

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/TUM5LBWCHSAID6F57NI7DBJJ5O \
  | 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: 9d19d586c23c8081f8bdfb51f18529ebb6d842961ef769c8b214c2e32342b720

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "333e0fee79667b12576d827185f193aafecca0c1b8ad6582d2478c6777f3fec1",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-12-22T08:42:27Z",
    "title_canon_sha256": "c3633c039dd07d8d8efd773779b547a26972dbb11c496c3e05343af3151d8155"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07488",
    "kind": "arxiv",
    "version": 1
  }
}