Pith Number

pith:YS6H2V7G

pith:2018:YS6H2V7G35KRTVB22IRACUYW54

not attested not anchored not stored refs pending

Derived category of projectivization and generalized linear duality

Qingyuan Jiang

arxiv:1812.05685 v1 · 2018-12-13 · 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{YS6H2V7G35KRTVB22IRACUYW54}

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	2026-05-17T23:58:18.531447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4bc7d57e6df5519d43ad222015316ef12a505aaffa1268f8fba7c0af9cba137

Aliases

arxiv: 1812.05685 · arxiv_version: 1812.05685v1 · doi: 10.48550/arxiv.1812.05685 · pith_short_12: YS6H2V7G35KR · pith_short_16: YS6H2V7G35KRTVB2 · pith_short_8: YS6H2V7G

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/YS6H2V7G35KRTVB22IRACUYW54 \
  | 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: c4bc7d57e6df5519d43ad222015316ef12a505aaffa1268f8fba7c0af9cba137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b1c5011aadfb32536adb1f0a9533fab30e0753a89e4281777e01f91352ff81c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-12-13T20:53:16Z",
    "title_canon_sha256": "1150e0f53b227cbad1e7ce07d60115283e67088d55be4815c92e67e37802781f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05685",
    "kind": "arxiv",
    "version": 1
  }
}