Pith Number

pith:SG37CXDV

pith:2012:SG37CXDV5DV7GGCK7XLHCGCQCS

not attested not anchored not stored refs pending

Normalizing Topologically Minimal Surfaces II: Disks

David Bachman

arxiv:1210.4574 v1 · 2012-10-16 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SG37CXDV5DV7GGCK7XLHCGCQCS}

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	2026-05-18T03:42:56.694597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91b7f15c75e8ebf3184afdd671185014a7c5a1a9ddd80cf974e71f398f7621a0

Aliases

arxiv: 1210.4574 · arxiv_version: 1210.4574v1 · doi: 10.48550/arxiv.1210.4574 · pith_short_12: SG37CXDV5DV7 · pith_short_16: SG37CXDV5DV7GGCK · pith_short_8: SG37CXDV

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/SG37CXDV5DV7GGCK7XLHCGCQCS \
  | 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: 91b7f15c75e8ebf3184afdd671185014a7c5a1a9ddd80cf974e71f398f7621a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aad5e22534ac74d1f01ecff4b459dd96e853bf6aadafebeffe0b108b56a7a84b",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-10-16T20:50:42Z",
    "title_canon_sha256": "79e7a779ef235d2ba538af2d2acf48aa1ef1954ab5626fc67a459302188729cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4574",
    "kind": "arxiv",
    "version": 1
  }
}