Pith Number

pith:D67Y55VX

pith:2017:D67Y55VXMZWO2HHQYPW26OJ4DX

not attested not anchored not stored refs pending

Behavior of the squeezing function near h-extendible boundary points

Nikolai Nikolov

arxiv:1708.05823 v2 · 2017-08-19 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D67Y55VXMZWO2HHQYPW26OJ4DX}

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	2026-05-18T00:08:23.525474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fbf8ef6b7666ced1cf0c3edaf393c1dc3717650a9e6fbe07d6608e3f92c4654

Aliases

arxiv: 1708.05823 · arxiv_version: 1708.05823v2 · doi: 10.48550/arxiv.1708.05823 · pith_short_12: D67Y55VXMZWO · pith_short_16: D67Y55VXMZWO2HHQ · pith_short_8: D67Y55VX

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/D67Y55VXMZWO2HHQYPW26OJ4DX \
  | 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: 1fbf8ef6b7666ced1cf0c3edaf393c1dc3717650a9e6fbe07d6608e3f92c4654

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da8913d72b4061cc9df0c28d6e310f80a455c357941e9b90b5c6ec28467b6fae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-08-19T08:33:45Z",
    "title_canon_sha256": "7b60f34346221a7c5763ff4bfd7bf52f94bebd2db57a5b7573b40d68cfda2b8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05823",
    "kind": "arxiv",
    "version": 2
  }
}