Pith Number

pith:7YSQG3LG

pith:2020:7YSQG3LGCQXP2S6OVBTD5UMDV2

not attested not anchored not stored refs pending

Finite Rigid Sets in Flip Graphs

Emily Shinkle

arxiv:2010.05363 v2 · 2020-10-11 · 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{7YSQG3LGCQXP2S6OVBTD5UMDV2}

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	2026-07-05T02:14:31.453072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe25036d66142efd4bcea8663ed183ae973317ae2918b421caa06aad34d1c578

Aliases

arxiv: 2010.05363 · arxiv_version: 2010.05363v2 · doi: 10.48550/arxiv.2010.05363 · pith_short_12: 7YSQG3LGCQXP · pith_short_16: 7YSQG3LGCQXP2S6O · pith_short_8: 7YSQG3LG

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/7YSQG3LGCQXP2S6OVBTD5UMDV2 \
  | 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: fe25036d66142efd4bcea8663ed183ae973317ae2918b421caa06aad34d1c578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4144827c91aa49b0e9c931048858d6a53ca0b7fe22b6321e16fce14613c9e76d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2020-10-11T22:23:26Z",
    "title_canon_sha256": "abe301b3355104820d456413507ad9d410538e4ef7d137f544ccb134855c75f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.05363",
    "kind": "arxiv",
    "version": 2
  }
}