Pith Number

pith:H3EH4V5G

pith:2013:H3EH4V5GTMMDYUMSKXV5KHQ6NS

not attested not anchored not stored refs pending

Extremal Metrics On Ruled Manifolds

Reza Seyyedali, Zhiqin Lu

arxiv:1310.3006 v1 · 2013-10-11 · math.DG · 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{H3EH4V5GTMMDYUMSKXV5KHQ6NS}

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	2026-05-18T03:10:45.291043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ec87e57a69b183c519255ebd51e1e6c92124648d27b0678013f7ed3445338ce

Aliases

arxiv: 1310.3006 · arxiv_version: 1310.3006v1 · doi: 10.48550/arxiv.1310.3006 · pith_short_12: H3EH4V5GTMMD · pith_short_16: H3EH4V5GTMMDYUMS · pith_short_8: H3EH4V5G

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/H3EH4V5GTMMDYUMSKXV5KHQ6NS \
  | 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: 3ec87e57a69b183c519255ebd51e1e6c92124648d27b0678013f7ed3445338ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39ffc517fb5deaf3e799c3a5afe86b930a7e841bcf9a9157c943d0f89db4d19f",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-10-11T02:33:03Z",
    "title_canon_sha256": "427576f09ec72c3fe3b7707b8446717a165b192a1da7254db02c5b2be6044e33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3006",
    "kind": "arxiv",
    "version": 1
  }
}