Pith Number

pith:GGDLQ77G

pith:2017:GGDLQ77G67YWQSMDMDNKE5RNPE

not attested not anchored not stored refs pending

Deformation Formulas for Parameterized Hypersurfaces

Brian Hepler

arxiv:1711.11134 v2 · 2017-11-29 · 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{GGDLQ77G67YWQSMDMDNKE5RNPE}

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	2026-05-17T23:46:04.388433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3186b87fe6f7f168498360daa2762d793ac96c0371d55ffe03518872304d5cbe

Aliases

arxiv: 1711.11134 · arxiv_version: 1711.11134v2 · doi: 10.48550/arxiv.1711.11134 · pith_short_12: GGDLQ77G67YW · pith_short_16: GGDLQ77G67YWQSMD · pith_short_8: GGDLQ77G

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/GGDLQ77G67YWQSMDMDNKE5RNPE \
  | 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: 3186b87fe6f7f168498360daa2762d793ac96c0371d55ffe03518872304d5cbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d231e1f97127743fa63a07bb590032fc0cd1b3f0531392035e36f9965889f0aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-11-29T22:23:34Z",
    "title_canon_sha256": "a81820481a277aa71882a82874652d6e40908e1c24c41a3a5e3c9137e71652b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11134",
    "kind": "arxiv",
    "version": 2
  }
}