Pith Number

pith:SKQURF62

pith:2015:SKQURF62PG2ROKE4XOQ44OVB75

not attested not anchored not stored refs pending

Deforming convex projective manifolds

Darren Long, Daryl Cooper, Stephan Tillmann

arxiv:1511.06206 v2 · 2015-11-19 · math.GT · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKQURF62PG2ROKE4XOQ44OVB75}

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	2026-05-18T00:20:07.720062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a14897da79b517289cbba1ce3aa1ff60b6623af6f49dad777e12a21a1d628c

Aliases

arxiv: 1511.06206 · arxiv_version: 1511.06206v2 · doi: 10.48550/arxiv.1511.06206 · pith_short_12: SKQURF62PG2R · pith_short_16: SKQURF62PG2ROKE4 · pith_short_8: SKQURF62

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/SKQURF62PG2ROKE4XOQ44OVB75 \
  | 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: 92a14897da79b517289cbba1ce3aa1ff60b6623af6f49dad777e12a21a1d628c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a3ae24a9e1555ba89f7c07952708c7973ca0c85a88869b50610a5530eb9e533",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-11-19T15:28:47Z",
    "title_canon_sha256": "2ba731d2b58a47f6b5233c4ba4c4598d2c0d5e56279081e5e44ed06da14e7252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06206",
    "kind": "arxiv",
    "version": 2
  }
}