Pith Number

pith:2YRTK2H6

pith:2009:2YRTK2H6LPOEYI27RCNV4NPIRE

not attested not anchored not stored refs pending

Discrete conformal variations and scalar curvature on piecewise flat two and three dimensional manifolds

David Glickenstein

arxiv:0906.1560 v1 · 2009-06-08 · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YRTK2H6LPOEYI27RCNV4NPIRE}

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	2026-05-18T01:29:38.742213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6233568fe5bdc4c235f889b5e35e889362272f84581d803d8180332c0a6e336

Aliases

arxiv: 0906.1560 · arxiv_version: 0906.1560v1 · doi: 10.48550/arxiv.0906.1560 · pith_short_12: 2YRTK2H6LPOE · pith_short_16: 2YRTK2H6LPOEYI27 · pith_short_8: 2YRTK2H6

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/2YRTK2H6LPOEYI27RCNV4NPIRE \
  | 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: d6233568fe5bdc4c235f889b5e35e889362272f84581d803d8180332c0a6e336

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63a99eada93f25bfb7b3c47f2eec1766ee90d047d81d93d11aa809b0d9280b97",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-06-08T18:55:53Z",
    "title_canon_sha256": "60a1ed511ce3d164a42752f25d4797f1bdc4302c94cb6da5f139e104661cdd59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1560",
    "kind": "arxiv",
    "version": 1
  }
}