Pith Number

pith:OAYICKTK

pith:2012:OAYICKTKEQ2H3WMMALT5VAGTE4

not attested not anchored not stored refs pending

High Distance Bridge Surfaces

Maggy Tomova, Michael Yoshizawa, Ryan Blair

arxiv:1203.4294 v2 · 2012-03-20 · 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{OAYICKTKEQ2H3WMMALT5VAGTE4}

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	2026-05-18T02:21:16.964520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7030812a6a24347dd98c02e7da80d327120e3afff5068bca6a60a672639fbe62

Aliases

arxiv: 1203.4294 · arxiv_version: 1203.4294v2 · doi: 10.48550/arxiv.1203.4294 · pith_short_12: OAYICKTKEQ2H · pith_short_16: OAYICKTKEQ2H3WMM · pith_short_8: OAYICKTK

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/OAYICKTKEQ2H3WMMALT5VAGTE4 \
  | 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: 7030812a6a24347dd98c02e7da80d327120e3afff5068bca6a60a672639fbe62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab697f382765c23fe837cbc400f6d6e544f2f6c60c0bf00d9884c571e97cca9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-03-20T00:15:31Z",
    "title_canon_sha256": "0fba29f23675c675971b82dd8b00b5d754e02bff51734d6838114821d3c47758"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4294",
    "kind": "arxiv",
    "version": 2
  }
}