Pith Number

pith:UUCAC3R2

pith:2015:UUCAC3R2KGWRGXPNPJFPLBMFLG

not attested not anchored not stored refs pending

Invariant almost complex geometry on flag manifolds: geometric formality and Chern numbers

Ailton R. Oliveira, Caio J.C. Negreiros, Lino Grama

arxiv:1506.08741 v3 · 2015-06-29 · math.DG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUCAC3R2KGWRGXPNPJFPLBMFLG}

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	2026-05-18T01:17:20.386915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a504016e3a51ad135ded7a4af5858559a9c3102e066608153c67c1b1a7e1bd74

Aliases

arxiv: 1506.08741 · arxiv_version: 1506.08741v3 · doi: 10.48550/arxiv.1506.08741 · pith_short_12: UUCAC3R2KGWR · pith_short_16: UUCAC3R2KGWRGXPN · pith_short_8: UUCAC3R2

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/UUCAC3R2KGWRGXPNPJFPLBMFLG \
  | 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: a504016e3a51ad135ded7a4af5858559a9c3102e066608153c67c1b1a7e1bd74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06c138872c98712ce2dba72cab33c1b65418648505bb836bbc4095deb2b731e3",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-06-29T17:21:16Z",
    "title_canon_sha256": "8f33dfcfca9f82397f3e229548e3322ff677140d83211877cae69e8d98cd9afd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08741",
    "kind": "arxiv",
    "version": 3
  }
}