Pith Number

pith:7LM3Q2IH

pith:2019:7LM3Q2IH5UDDFBRJHLIQLWAGZ5

not attested not anchored not stored refs pending

Geometry from Donaldson-Thomas invariants

Tom Bridgeland

arxiv:1912.06504 v2 · 2019-12-13 · math.AG · 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{7LM3Q2IH5UDDFBRJHLIQLWAGZ5}

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.

Cited by

1 paper in Pith

Twistorial chiral algebras in higher dimensions

Receipt and verification

First computed	2026-07-05T01:17:16.720761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fad9b86907ed063286293ad105d806cf711f33e7d4e69846d0548a699255046f

Aliases

arxiv: 1912.06504 · arxiv_version: 1912.06504v2 · doi: 10.48550/arxiv.1912.06504 · pith_short_12: 7LM3Q2IH5UDD · pith_short_16: 7LM3Q2IH5UDDFBRJ · pith_short_8: 7LM3Q2IH

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/7LM3Q2IH5UDDFBRJHLIQLWAGZ5 \
  | 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: fad9b86907ed063286293ad105d806cf711f33e7d4e69846d0548a699255046f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a243f5d2e0d19e20d0654f0e61b7ae63ca3a2c9efca58aad0d13bf3a36c06335",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-12-13T14:09:17Z",
    "title_canon_sha256": "444609c5995ba0f0679de4d7caa32662f656f84cf565b59d6827d10045d12e91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.06504",
    "kind": "arxiv",
    "version": 2
  }
}