Pith Number

pith:V6QJ3CGA

pith:2022:V6QJ3CGAANVJHRT72RIYNDBBSD

not attested not anchored not stored refs pending

On sets of discontinuities of functions continuous on all lines

Ludek Zajicek

arxiv:2201.00772 v1 · 2022-01-03 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6QJ3CGAANVJHRT72RIYNDBBSD}

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	2026-07-05T03:45:06.388208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afa09d88c0036a93c67fd451868c2190fe04c1b7ad1e96493f81e244d2cbbad9

Aliases

arxiv: 2201.00772 · arxiv_version: 2201.00772v1 · doi: 10.48550/arxiv.2201.00772 · pith_short_12: V6QJ3CGAANVJ · pith_short_16: V6QJ3CGAANVJHRT7 · pith_short_8: V6QJ3CGA

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/V6QJ3CGAANVJHRT72RIYNDBBSD \
  | 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: afa09d88c0036a93c67fd451868c2190fe04c1b7ad1e96493f81e244d2cbbad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d300157344b706091637aec7a4692408df4a6a7cf58e878cfb8160e2fb54563e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2022-01-03T17:31:23Z",
    "title_canon_sha256": "a377e8e3a1ffef26f107ae5192e757b81c841f7b5177bfb839c081463d1ebc49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00772",
    "kind": "arxiv",
    "version": 1
  }
}