Pith Number

pith:2WHCJMNZ

pith:2017:2WHCJMNZSADBJXUYCYLJO4TLOA

not attested not anchored not stored refs pending

Concordance of Seifert surfaces

Robert Myers

arxiv:1701.00516 v2 · 2017-01-02 · 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{2WHCJMNZSADBJXUYCYLJO4TLOA}

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	2026-05-17T23:49:06.409951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d58e24b1b9900614de98161697726b70115b85a09d916cae804de8dd25748593

Aliases

arxiv: 1701.00516 · arxiv_version: 1701.00516v2 · doi: 10.48550/arxiv.1701.00516 · pith_short_12: 2WHCJMNZSADB · pith_short_16: 2WHCJMNZSADBJXUY · pith_short_8: 2WHCJMNZ

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/2WHCJMNZSADBJXUYCYLJO4TLOA \
  | 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: d58e24b1b9900614de98161697726b70115b85a09d916cae804de8dd25748593

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "055356c2258330acdd7e4c463e1409c11932830d3d0863873f9c143c120e5dd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-01-02T20:56:42Z",
    "title_canon_sha256": "b5b201055e0e03cf5f28e41acbe7f8717315fda2524a1a12cbd65ca8f9f4a5e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00516",
    "kind": "arxiv",
    "version": 2
  }
}