Pith Number

pith:JTHCX767

pith:2018:JTHCX767AXG5G6VZQKPIECIWG4

not attested not anchored not stored refs pending

Flag bundles, Segre polynomials and push-forwards

Lionel Darondeau, Piotr Pragacz

arxiv:1802.09039 v1 · 2018-02-25 · 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{JTHCX767AXG5G6VZQKPIECIWG4}

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	2026-05-18T00:22:35.697346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cce2bffdf05cdd37ab9829e820916373d43037c2e67a34d7fbfbe8c2f38af14

Aliases

arxiv: 1802.09039 · arxiv_version: 1802.09039v1 · doi: 10.48550/arxiv.1802.09039 · pith_short_12: JTHCX767AXG5 · pith_short_16: JTHCX767AXG5G6VZ · pith_short_8: JTHCX767

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/JTHCX767AXG5G6VZQKPIECIWG4 \
  | 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: 4cce2bffdf05cdd37ab9829e820916373d43037c2e67a34d7fbfbe8c2f38af14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "998928d455654782b8633ca2179e25eaa649d413212f75ddb8e6437ea99e7181",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-02-25T16:50:00Z",
    "title_canon_sha256": "32cdbb63ee8789c21511438b0a881da0f9beb593d5c53c29bbcef4780f0b4a92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09039",
    "kind": "arxiv",
    "version": 1
  }
}