Pith Number

pith:RFFOZ542

pith:2019:RFFOZ5425GNIRQLJGE3XEYYSWV

not attested not anchored not stored refs pending

Automorphism groups of origami curves

Ruben A. Hidalgo

arxiv:1907.10692 v1 · 2019-07-24 · 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{RFFOZ5425GNIRQLJGE3XEYYSWV}

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	2026-05-17T23:39:34.740455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

894aecf79ae99a88c1693137726312b570642e798b176561210f6a06c62c796c

Aliases

arxiv: 1907.10692 · arxiv_version: 1907.10692v1 · doi: 10.48550/arxiv.1907.10692 · pith_short_12: RFFOZ5425GNI · pith_short_16: RFFOZ5425GNIRQLJ · pith_short_8: RFFOZ542

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/RFFOZ5425GNIRQLJGE3XEYYSWV \
  | 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: 894aecf79ae99a88c1693137726312b570642e798b176561210f6a06c62c796c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09ccfe21d1b15f2a7dd58789e4dbe8c0a4cd0693de19c8ac459b2bae19d93315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-07-24T20:01:31Z",
    "title_canon_sha256": "4ae8e989e92e903122da87ccf4f03a430f2babd5e45a8eaf9f4bdf8faf8edf96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10692",
    "kind": "arxiv",
    "version": 1
  }
}