Pith Number

pith:SVWZLUAC

pith:2018:SVWZLUACO2GJLFUG2YIIFUEBUP

not attested not anchored not stored refs pending

De Rham $2$-cohomology of real flag manifolds

Luiz A. B. San Martin, Viviana del Barco

arxiv:1811.07854 v3 · 2018-11-19 · 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{SVWZLUACO2GJLFUG2YIIFUEBUP}

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	2026-05-17T23:41:24.818591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

956d95d002768c959686d61082d081a3eee1b61930052d64537c34215cf208a1

Aliases

arxiv: 1811.07854 · arxiv_version: 1811.07854v3 · doi: 10.48550/arxiv.1811.07854 · pith_short_12: SVWZLUACO2GJ · pith_short_16: SVWZLUACO2GJLFUG · pith_short_8: SVWZLUAC

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/SVWZLUACO2GJLFUG2YIIFUEBUP \
  | 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: 956d95d002768c959686d61082d081a3eee1b61930052d64537c34215cf208a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ca215b572732f1b13f33755e343f54caeae547fa8df6744735f82b82961015e",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-11-19T18:17:11Z",
    "title_canon_sha256": "2ae994a3d2bbb3b922273e4527f449219db73d06e6c5dca9bf55e6476195606c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07854",
    "kind": "arxiv",
    "version": 3
  }
}