Pith Number

pith:F3VEDB32

pith:2011:F3VEDB32CO3DPZAANRORANQNY5

not attested not anchored not stored refs pending

Push-Forwards on Projective Towers

Andrei Negut

arxiv:1110.2505 v3 · 2011-10-11 · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F3VEDB32CO3DPZAANRORANQNY5}

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	2026-05-18T04:08:23.710094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eea41877a13b637e4006c5d10360dc7797558344d53637b06ed97a78da0a020

Aliases

arxiv: 1110.2505 · arxiv_version: 1110.2505v3 · doi: 10.48550/arxiv.1110.2505 · pith_short_12: F3VEDB32CO3D · pith_short_16: F3VEDB32CO3DPZAA · pith_short_8: F3VEDB32

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/F3VEDB32CO3DPZAANRORANQNY5 \
  | 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: 2eea41877a13b637e4006c5d10360dc7797558344d53637b06ed97a78da0a020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09e2daa027c7e9ad5bda18180c67a2c180db4811c63a7cf1d4287be6865fbf2c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-10-11T20:37:21Z",
    "title_canon_sha256": "8f32202e47e2249ecee1bb7e7936681fc3e036d1d8939307b427c700d58b1ad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2505",
    "kind": "arxiv",
    "version": 3
  }
}